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Finding the Fourth Proportional to 186,105.52, 256,866.95 and 113,524.45

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Solution

The fourth proportional to 186,105.52, 256,866.95 and 113,524.45 is: 156,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,105.52 : 256,866.95 = 113,524.45 : x
  2. Step 2: Convert to fraction form
    186,105.52/256,866.95 = 113,524.45/x
  3. Step 3: Cross multiply
    186,105.52x = 256,866.95 × 113,524.45
  4. Step 4: Simplify right side
    186,105.52x = 29,160,679,221.93
  5. Step 5: Solve for x
    x = 29,160,679,221.93/186,105.52
  6. Step 6: Final answer
    x = 156,688.95

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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.