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Finding the Fourth Proportional to 173,873.10, 260,847.45 and 99,029.10

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Solution

The fourth proportional to 173,873.10, 260,847.45 and 99,029.10 is: 148,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,873.10 : 260,847.45 = 99,029.10 : x
  2. Step 2: Convert to fraction form
    173,873.10/260,847.45 = 99,029.10/x
  3. Step 3: Cross multiply
    173,873.10x = 260,847.45 × 99,029.10
  4. Step 4: Simplify right side
    173,873.10x = 25,831,488,210.80
  5. Step 5: Solve for x
    x = 25,831,488,210.80/173,873.10
  6. Step 6: Final answer
    x = 148,565.18

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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.