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Finding the Fourth Proportional to 158,886.60, 237,966.88 and 75,838.92

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Solution

The fourth proportional to 158,886.60, 237,966.88 and 75,838.92 is: 113,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,886.60 : 237,966.88 = 75,838.92 : x
  2. Step 2: Convert to fraction form
    158,886.60/237,966.88 = 75,838.92/x
  3. Step 3: Cross multiply
    158,886.60x = 237,966.88 × 75,838.92
  4. Step 4: Simplify right side
    158,886.60x = 18,047,151,174.97
  5. Step 5: Solve for x
    x = 18,047,151,174.97/158,886.60
  6. Step 6: Final answer
    x = 113,585.11

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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.