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Finding the Fourth Proportional to 87,355, 130,926.79 and 62,014.65

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Solution

The fourth proportional to 87,355, 130,926.79 and 62,014.65 is: 92,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,355 : 130,926.79 = 62,014.65 : x
  2. Step 2: Convert to fraction form
    87,355/130,926.79 = 62,014.65/x
  3. Step 3: Cross multiply
    87,355x = 130,926.79 × 62,014.65
  4. Step 4: Simplify right side
    87,355x = 8,119,379,057.47
  5. Step 5: Solve for x
    x = 8,119,379,057.47/87,355
  6. Step 6: Final answer
    x = 92,946.93

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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.