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Finding the Fourth Proportional to 124,599.97, 171,924.96 and 70,881.85

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Solution

The fourth proportional to 124,599.97, 171,924.96 and 70,881.85 is: 97,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,599.97 : 171,924.96 = 70,881.85 : x
  2. Step 2: Convert to fraction form
    124,599.97/171,924.96 = 70,881.85/x
  3. Step 3: Cross multiply
    124,599.97x = 171,924.96 × 70,881.85
  4. Step 4: Simplify right side
    124,599.97x = 12,186,359,225.98
  5. Step 5: Solve for x
    x = 12,186,359,225.98/124,599.97
  6. Step 6: Final answer
    x = 97,803.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.