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Finding the Fourth Proportional to 157,598, 217,455.50 and 93,941.72

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Solution

The fourth proportional to 157,598, 217,455.50 and 93,941.72 is: 129,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,598 : 217,455.50 = 93,941.72 : x
  2. Step 2: Convert to fraction form
    157,598/217,455.50 = 93,941.72/x
  3. Step 3: Cross multiply
    157,598x = 217,455.50 × 93,941.72
  4. Step 4: Simplify right side
    157,598x = 20,428,143,693.46
  5. Step 5: Solve for x
    x = 20,428,143,693.46/157,598
  6. Step 6: Final answer
    x = 129,621.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.