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Finding the Fourth Proportional to 240,630,752.80, 360,946,129.20 and 111,490,589.80

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Solution

The fourth proportional to 240,630,752.80, 360,946,129.20 and 111,490,589.80 is: 167,235,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,630,752.80 : 360,946,129.20 = 111,490,589.80 : x
  2. Step 2: Convert to fraction form
    240,630,752.80/360,946,129.20 = 111,490,589.80/x
  3. Step 3: Cross multiply
    240,630,752.80x = 360,946,129.20 × 111,490,589.80
  4. Step 4: Simplify right side
    240,630,752.80x = 40,242,096,830,535,000
  5. Step 5: Solve for x
    x = 40,242,096,830,535,000/240,630,752.80
  6. Step 6: Final answer
    x = 167,235,884.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.