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Finding the Fourth Proportional to 173,419.98, 260,165.07 and 98,575.98

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Solution

The fourth proportional to 173,419.98, 260,165.07 and 98,575.98 is: 147,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,419.98 : 260,165.07 = 98,575.98 : x
  2. Step 2: Convert to fraction form
    173,419.98/260,165.07 = 98,575.98/x
  3. Step 3: Cross multiply
    173,419.98x = 260,165.07 × 98,575.98
  4. Step 4: Simplify right side
    173,419.98x = 25,646,026,737.02
  5. Step 5: Solve for x
    x = 25,646,026,737.02/173,419.98
  6. Step 6: Final answer
    x = 147,883.92

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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.