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Finding the Fourth Proportional to 147,059, 220,237.50 and 84,598.28

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Solution

The fourth proportional to 147,059, 220,237.50 and 84,598.28 is: 126,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,059 : 220,237.50 = 84,598.28 : x
  2. Step 2: Convert to fraction form
    147,059/220,237.50 = 84,598.28/x
  3. Step 3: Cross multiply
    147,059x = 220,237.50 × 84,598.28
  4. Step 4: Simplify right side
    147,059x = 18,631,713,691.50
  5. Step 5: Solve for x
    x = 18,631,713,691.50/147,059
  6. Step 6: Final answer
    x = 126,695.50

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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.