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Finding the Fourth Proportional to 191,767.08, 287,652.12 and 58,649.76

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Solution

The fourth proportional to 191,767.08, 287,652.12 and 58,649.76 is: 87,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,767.08 : 287,652.12 = 58,649.76 : x
  2. Step 2: Convert to fraction form
    191,767.08/287,652.12 = 58,649.76/x
  3. Step 3: Cross multiply
    191,767.08x = 287,652.12 × 58,649.76
  4. Step 4: Simplify right side
    191,767.08x = 16,870,727,801.49
  5. Step 5: Solve for x
    x = 16,870,727,801.49/191,767.08
  6. Step 6: Final answer
    x = 87,975.10

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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.