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Finding the Fourth Proportional to 173,361.70, 260,042.55 and 98,712.10

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Solution

The fourth proportional to 173,361.70, 260,042.55 and 98,712.10 is: 148,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,361.70 : 260,042.55 = 98,712.10 : x
  2. Step 2: Convert to fraction form
    173,361.70/260,042.55 = 98,712.10/x
  3. Step 3: Cross multiply
    173,361.70x = 260,042.55 × 98,712.10
  4. Step 4: Simplify right side
    173,361.70x = 25,669,346,199.86
  5. Step 5: Solve for x
    x = 25,669,346,199.86/173,361.70
  6. Step 6: Final answer
    x = 148,068.15

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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.