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Finding the Fourth Proportional to 156,888.92, 216,538.22 and 93,214.48

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Solution

The fourth proportional to 156,888.92, 216,538.22 and 93,214.48 is: 128,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,888.92 : 216,538.22 = 93,214.48 : x
  2. Step 2: Convert to fraction form
    156,888.92/216,538.22 = 93,214.48/x
  3. Step 3: Cross multiply
    156,888.92x = 216,538.22 × 93,214.48
  4. Step 4: Simplify right side
    156,888.92x = 20,184,497,577.43
  5. Step 5: Solve for x
    x = 20,184,497,577.43/156,888.92
  6. Step 6: Final answer
    x = 128,654.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.