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Finding the Fourth Proportional to 98,267.80, 147,315.30 and 58,840.60

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Solution

The fourth proportional to 98,267.80, 147,315.30 and 58,840.60 is: 88,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,267.80 : 147,315.30 = 58,840.60 : x
  2. Step 2: Convert to fraction form
    98,267.80/147,315.30 = 58,840.60/x
  3. Step 3: Cross multiply
    98,267.80x = 147,315.30 × 58,840.60
  4. Step 4: Simplify right side
    98,267.80x = 8,668,120,641.18
  5. Step 5: Solve for x
    x = 8,668,120,641.18/98,267.80
  6. Step 6: Final answer
    x = 88,209.17

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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.