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Finding the Fourth Proportional to 158,487.84, 237,746.40 and 57,311.14

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Solution

The fourth proportional to 158,487.84, 237,746.40 and 57,311.14 is: 85,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,487.84 : 237,746.40 = 57,311.14 : x
  2. Step 2: Convert to fraction form
    158,487.84/237,746.40 = 57,311.14/x
  3. Step 3: Cross multiply
    158,487.84x = 237,746.40 × 57,311.14
  4. Step 4: Simplify right side
    158,487.84x = 13,625,517,214.90
  5. Step 5: Solve for x
    x = 13,625,517,214.90/158,487.84
  6. Step 6: Final answer
    x = 85,972.00

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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.