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Finding the Fourth Proportional to 240,624.41, 332,069.49 and 138,641.76

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Solution

The fourth proportional to 240,624.41, 332,069.49 and 138,641.76 is: 191,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,624.41 : 332,069.49 = 138,641.76 : x
  2. Step 2: Convert to fraction form
    240,624.41/332,069.49 = 138,641.76/x
  3. Step 3: Cross multiply
    240,624.41x = 332,069.49 × 138,641.76
  4. Step 4: Simplify right side
    240,624.41x = 46,038,698,535.90
  5. Step 5: Solve for x
    x = 46,038,698,535.90/240,624.41
  6. Step 6: Final answer
    x = 191,330.13

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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.