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Finding the Fourth Proportional to 94,955.52, 142,388.40 and 28,372.40

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Solution

The fourth proportional to 94,955.52, 142,388.40 and 28,372.40 is: 42,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,955.52 : 142,388.40 = 28,372.40 : x
  2. Step 2: Convert to fraction form
    94,955.52/142,388.40 = 28,372.40/x
  3. Step 3: Cross multiply
    94,955.52x = 142,388.40 × 28,372.40
  4. Step 4: Simplify right side
    94,955.52x = 4,039,900,640.16
  5. Step 5: Solve for x
    x = 4,039,900,640.16/94,955.52
  6. Step 6: Final answer
    x = 42,545.19

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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.