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Finding the Fourth Proportional to 173,412.78, 260,119.14 and 48,753.78

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Solution

The fourth proportional to 173,412.78, 260,119.14 and 48,753.78 is: 73,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,412.78 : 260,119.14 = 48,753.78 : x
  2. Step 2: Convert to fraction form
    173,412.78/260,119.14 = 48,753.78/x
  3. Step 3: Cross multiply
    173,412.78x = 260,119.14 × 48,753.78
  4. Step 4: Simplify right side
    173,412.78x = 12,681,791,325.35
  5. Step 5: Solve for x
    x = 12,681,791,325.35/173,412.78
  6. Step 6: Final answer
    x = 73,130.66

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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.