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Finding the Fourth Proportional to 168,129.96, 232,020.90 and 92,681.16

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Solution

The fourth proportional to 168,129.96, 232,020.90 and 92,681.16 is: 127,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,129.96 : 232,020.90 = 92,681.16 : x
  2. Step 2: Convert to fraction form
    168,129.96/232,020.90 = 92,681.16/x
  3. Step 3: Cross multiply
    168,129.96x = 232,020.90 × 92,681.16
  4. Step 4: Simplify right side
    168,129.96x = 21,503,966,156.24
  5. Step 5: Solve for x
    x = 21,503,966,156.24/168,129.96
  6. Step 6: Final answer
    x = 127,900.86

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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.