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Finding the Fourth Proportional to 99,200.92, 148,802.60 and 29,081.64

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Solution

The fourth proportional to 99,200.92, 148,802.60 and 29,081.64 is: 43,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,200.92 : 148,802.60 = 29,081.64 : x
  2. Step 2: Convert to fraction form
    99,200.92/148,802.60 = 29,081.64/x
  3. Step 3: Cross multiply
    99,200.92x = 148,802.60 × 29,081.64
  4. Step 4: Simplify right side
    99,200.92x = 4,327,423,644.26
  5. Step 5: Solve for x
    x = 4,327,423,644.26/99,200.92
  6. Step 6: Final answer
    x = 43,622.82

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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.