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Finding the Fourth Proportional to 88,862.40, 133,074.90 and 59,119.20

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Solution

The fourth proportional to 88,862.40, 133,074.90 and 59,119.20 is: 88,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,862.40 : 133,074.90 = 59,119.20 : x
  2. Step 2: Convert to fraction form
    88,862.40/133,074.90 = 59,119.20/x
  3. Step 3: Cross multiply
    88,862.40x = 133,074.90 × 59,119.20
  4. Step 4: Simplify right side
    88,862.40x = 7,867,281,628.08
  5. Step 5: Solve for x
    x = 7,867,281,628.08/88,862.40
  6. Step 6: Final answer
    x = 88,533.30

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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.