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Finding the Fourth Proportional to 100,663.65, 151,092.68 and 61,297.65

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Solution

The fourth proportional to 100,663.65, 151,092.68 and 61,297.65 is: 92,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,663.65 : 151,092.68 = 61,297.65 : x
  2. Step 2: Convert to fraction form
    100,663.65/151,092.68 = 61,297.65/x
  3. Step 3: Cross multiply
    100,663.65x = 151,092.68 × 61,297.65
  4. Step 4: Simplify right side
    100,663.65x = 9,261,625,909.71
  5. Step 5: Solve for x
    x = 9,261,625,909.71/100,663.65
  6. Step 6: Final answer
    x = 92,005.66

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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.