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Finding the Fourth Proportional to 99,316.16, 148,927.36 and 36,092.24

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Solution

The fourth proportional to 99,316.16, 148,927.36 and 36,092.24 is: 54,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,316.16 : 148,927.36 = 36,092.24 : x
  2. Step 2: Convert to fraction form
    99,316.16/148,927.36 = 36,092.24/x
  3. Step 3: Cross multiply
    99,316.16x = 148,927.36 × 36,092.24
  4. Step 4: Simplify right side
    99,316.16x = 5,375,122,019.69
  5. Step 5: Solve for x
    x = 5,375,122,019.69/99,316.16
  6. Step 6: Final answer
    x = 54,121.32

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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.