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Finding the Fourth Proportional to 153,173.70, 229,760.64 and 48,000.96

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Solution

The fourth proportional to 153,173.70, 229,760.64 and 48,000.96 is: 72,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,173.70 : 229,760.64 = 48,000.96 : x
  2. Step 2: Convert to fraction form
    153,173.70/229,760.64 = 48,000.96/x
  3. Step 3: Cross multiply
    153,173.70x = 229,760.64 × 48,000.96
  4. Step 4: Simplify right side
    153,173.70x = 11,028,731,290.21
  5. Step 5: Solve for x
    x = 11,028,731,290.21/153,173.70
  6. Step 6: Final answer
    x = 72,001.47

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1.5x scale

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.