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Finding the Fourth Proportional to 83,298.40, 125,005.20 and 59,941.60

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Solution

The fourth proportional to 83,298.40, 125,005.20 and 59,941.60 is: 89,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,298.40 : 125,005.20 = 59,941.60 : x
  2. Step 2: Convert to fraction form
    83,298.40/125,005.20 = 59,941.60/x
  3. Step 3: Cross multiply
    83,298.40x = 125,005.20 × 59,941.60
  4. Step 4: Simplify right side
    83,298.40x = 7,493,011,696.32
  5. Step 5: Solve for x
    x = 7,493,011,696.32/83,298.40
  6. Step 6: Final answer
    x = 89,953.85

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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.