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Finding the Fourth Proportional to 147,744.70, 221,487.45 and 88,603.90

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Solution

The fourth proportional to 147,744.70, 221,487.45 and 88,603.90 is: 132,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744.70 : 221,487.45 = 88,603.90 : x
  2. Step 2: Convert to fraction form
    147,744.70/221,487.45 = 88,603.90/x
  3. Step 3: Cross multiply
    147,744.70x = 221,487.45 × 88,603.90
  4. Step 4: Simplify right side
    147,744.70x = 19,624,651,871.06
  5. Step 5: Solve for x
    x = 19,624,651,871.06/147,744.70
  6. Step 6: Final answer
    x = 132,828.13

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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.