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Finding the Fourth Proportional to 156,924, 235,372.65 and 62,128.40

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Solution

The fourth proportional to 156,924, 235,372.65 and 62,128.40 is: 93,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,924 : 235,372.65 = 62,128.40 : x
  2. Step 2: Convert to fraction form
    156,924/235,372.65 = 62,128.40/x
  3. Step 3: Cross multiply
    156,924x = 235,372.65 × 62,128.40
  4. Step 4: Simplify right side
    156,924x = 14,623,326,148.26
  5. Step 5: Solve for x
    x = 14,623,326,148.26/156,924
  6. Step 6: Final answer
    x = 93,187.31

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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.