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Finding the Fourth Proportional to 98,366.80, 147,587.48 and 58,952.20

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Solution

The fourth proportional to 98,366.80, 147,587.48 and 58,952.20 is: 88,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,366.80 : 147,587.48 = 58,952.20 : x
  2. Step 2: Convert to fraction form
    98,366.80/147,587.48 = 58,952.20/x
  3. Step 3: Cross multiply
    98,366.80x = 147,587.48 × 58,952.20
  4. Step 4: Simplify right side
    98,366.80x = 8,700,606,638.46
  5. Step 5: Solve for x
    x = 8,700,606,638.46/98,366.80
  6. Step 6: Final answer
    x = 88,450.64

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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.