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Finding the Fourth Proportional to 117,154.62, 175,695.62 and 42,265.04

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Solution

The fourth proportional to 117,154.62, 175,695.62 and 42,265.04 is: 63,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,154.62 : 175,695.62 = 42,265.04 : x
  2. Step 2: Convert to fraction form
    117,154.62/175,695.62 = 42,265.04/x
  3. Step 3: Cross multiply
    117,154.62x = 175,695.62 × 42,265.04
  4. Step 4: Simplify right side
    117,154.62x = 7,425,782,407.12
  5. Step 5: Solve for x
    x = 7,425,782,407.12/117,154.62
  6. Step 6: Final answer
    x = 63,384.46

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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.