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Finding the Fourth Proportional to 156,957.35, 235,417.80 and 44,654.90

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Solution

The fourth proportional to 156,957.35, 235,417.80 and 44,654.90 is: 66,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,957.35 : 235,417.80 = 44,654.90 : x
  2. Step 2: Convert to fraction form
    156,957.35/235,417.80 = 44,654.90/x
  3. Step 3: Cross multiply
    156,957.35x = 235,417.80 × 44,654.90
  4. Step 4: Simplify right side
    156,957.35x = 10,512,558,317.22
  5. Step 5: Solve for x
    x = 10,512,558,317.22/156,957.35
  6. Step 6: Final answer
    x = 66,977.16

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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.