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Finding the Fourth Proportional to 92,123.01, 127,129.65 and 53,908.83

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Solution

The fourth proportional to 92,123.01, 127,129.65 and 53,908.83 is: 74,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,123.01 : 127,129.65 = 53,908.83 : x
  2. Step 2: Convert to fraction form
    92,123.01/127,129.65 = 53,908.83/x
  3. Step 3: Cross multiply
    92,123.01x = 127,129.65 × 53,908.83
  4. Step 4: Simplify right side
    92,123.01x = 6,853,410,689.81
  5. Step 5: Solve for x
    x = 6,853,410,689.81/92,123.01
  6. Step 6: Final answer
    x = 74,394.12

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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.