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Finding the Fourth Proportional to 125,357.68, 188,036.59 and 62,221.42

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Solution

The fourth proportional to 125,357.68, 188,036.59 and 62,221.42 is: 93,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,357.68 : 188,036.59 = 62,221.42 : x
  2. Step 2: Convert to fraction form
    125,357.68/188,036.59 = 62,221.42/x
  3. Step 3: Cross multiply
    125,357.68x = 188,036.59 × 62,221.42
  4. Step 4: Simplify right side
    125,357.68x = 11,699,903,641.76
  5. Step 5: Solve for x
    x = 11,699,903,641.76/125,357.68
  6. Step 6: Final answer
    x = 93,332.16

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1.5x scale

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.