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Finding the Fourth Proportional to 117,535.49, 176,302.88 and 42,655.55

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Solution

The fourth proportional to 117,535.49, 176,302.88 and 42,655.55 is: 63,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,535.49 : 176,302.88 = 42,655.55 : x
  2. Step 2: Convert to fraction form
    117,535.49/176,302.88 = 42,655.55/x
  3. Step 3: Cross multiply
    117,535.49x = 176,302.88 × 42,655.55
  4. Step 4: Simplify right side
    117,535.49x = 7,520,295,378.15
  5. Step 5: Solve for x
    x = 7,520,295,378.15/117,535.49
  6. Step 6: Final answer
    x = 63,983.19

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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.