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Finding the Fourth Proportional to 91,888.01, 127,032.87 and 91,046.42

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Solution

The fourth proportional to 91,888.01, 127,032.87 and 91,046.42 is: 125,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,888.01 : 127,032.87 = 91,046.42 : x
  2. Step 2: Convert to fraction form
    91,888.01/127,032.87 = 91,046.42/x
  3. Step 3: Cross multiply
    91,888.01x = 127,032.87 × 91,046.42
  4. Step 4: Simplify right side
    91,888.01x = 11,565,888,035.83
  5. Step 5: Solve for x
    x = 11,565,888,035.83/91,888.01
  6. Step 6: Final answer
    x = 125,869.39

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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.