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Finding the Fourth Proportional to 186,265.44, 256,970.88 and 113,631.12

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Solution

The fourth proportional to 186,265.44, 256,970.88 and 113,631.12 is: 156,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,265.44 : 256,970.88 = 113,631.12 : x
  2. Step 2: Convert to fraction form
    186,265.44/256,970.88 = 113,631.12/x
  3. Step 3: Cross multiply
    186,265.44x = 256,970.88 × 113,631.12
  4. Step 4: Simplify right side
    186,265.44x = 29,199,888,901.79
  5. Step 5: Solve for x
    x = 29,199,888,901.79/186,265.44
  6. Step 6: Final answer
    x = 156,764.93

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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.