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Finding the Fourth Proportional to 117,303.60, 176,041.80 and 47,233.20

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Solution

The fourth proportional to 117,303.60, 176,041.80 and 47,233.20 is: 70,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,303.60 : 176,041.80 = 47,233.20 : x
  2. Step 2: Convert to fraction form
    117,303.60/176,041.80 = 47,233.20/x
  3. Step 3: Cross multiply
    117,303.60x = 176,041.80 × 47,233.20
  4. Step 4: Simplify right side
    117,303.60x = 8,315,017,547.76
  5. Step 5: Solve for x
    x = 8,315,017,547.76/117,303.60
  6. Step 6: Final answer
    x = 70,884.59

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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.