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Finding the Fourth Proportional to 93,459.40, 140,232.87 and 40,862.08

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Solution

The fourth proportional to 93,459.40, 140,232.87 and 40,862.08 is: 61,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,459.40 : 140,232.87 = 40,862.08 : x
  2. Step 2: Convert to fraction form
    93,459.40/140,232.87 = 40,862.08/x
  3. Step 3: Cross multiply
    93,459.40x = 140,232.87 × 40,862.08
  4. Step 4: Simplify right side
    93,459.40x = 5,730,206,752.57
  5. Step 5: Solve for x
    x = 5,730,206,752.57/93,459.40
  6. Step 6: Final answer
    x = 61,312.26

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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.