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Finding the Fourth Proportional to 191,497.38, 287,184.32 and 63,389.76

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Solution

The fourth proportional to 191,497.38, 287,184.32 and 63,389.76 is: 95,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,497.38 : 287,184.32 = 63,389.76 : x
  2. Step 2: Convert to fraction form
    191,497.38/287,184.32 = 63,389.76/x
  3. Step 3: Cross multiply
    191,497.38x = 287,184.32 × 63,389.76
  4. Step 4: Simplify right side
    191,497.38x = 18,204,544,803.61
  5. Step 5: Solve for x
    x = 18,204,544,803.61/191,497.38
  6. Step 6: Final answer
    x = 95,064.20

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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.