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Finding the Fourth Proportional to 148,712.40, 223,144.20 and 98,827.20

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Solution

The fourth proportional to 148,712.40, 223,144.20 and 98,827.20 is: 148,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,712.40 : 223,144.20 = 98,827.20 : x
  2. Step 2: Convert to fraction form
    148,712.40/223,144.20 = 98,827.20/x
  3. Step 3: Cross multiply
    148,712.40x = 223,144.20 × 98,827.20
  4. Step 4: Simplify right side
    148,712.40x = 22,052,716,482.24
  5. Step 5: Solve for x
    x = 22,052,716,482.24/148,712.40
  6. Step 6: Final answer
    x = 148,291.04

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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.