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Finding the Fourth Proportional to 98,641.36, 147,999.32 and 59,225.88

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Solution

The fourth proportional to 98,641.36, 147,999.32 and 59,225.88 is: 88,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,641.36 : 147,999.32 = 59,225.88 : x
  2. Step 2: Convert to fraction form
    98,641.36/147,999.32 = 59,225.88/x
  3. Step 3: Cross multiply
    98,641.36x = 147,999.32 × 59,225.88
  4. Step 4: Simplify right side
    98,641.36x = 8,765,389,966.40
  5. Step 5: Solve for x
    x = 8,765,389,966.40/98,641.36
  6. Step 6: Final answer
    x = 88,861.20

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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.