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Finding the Fourth Proportional to 191,952.16, 287,337.76 and 125,248.64

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Solution

The fourth proportional to 191,952.16, 287,337.76 and 125,248.64 is: 187,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,952.16 : 287,337.76 = 125,248.64 : x
  2. Step 2: Convert to fraction form
    191,952.16/287,337.76 = 125,248.64/x
  3. Step 3: Cross multiply
    191,952.16x = 287,337.76 × 125,248.64
  4. Step 4: Simplify right side
    191,952.16x = 35,988,663,660.65
  5. Step 5: Solve for x
    x = 35,988,663,660.65/191,952.16
  6. Step 6: Final answer
    x = 187,487.67

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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.