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Finding the Fourth Proportional to 225,098.20, 337,598.70 and 98,738.20

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Solution

The fourth proportional to 225,098.20, 337,598.70 and 98,738.20 is: 148,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,098.20 : 337,598.70 = 98,738.20 : x
  2. Step 2: Convert to fraction form
    225,098.20/337,598.70 = 98,738.20/x
  3. Step 3: Cross multiply
    225,098.20x = 337,598.70 × 98,738.20
  4. Step 4: Simplify right side
    225,098.20x = 33,333,887,960.34
  5. Step 5: Solve for x
    x = 33,333,887,960.34/225,098.20
  6. Step 6: Final answer
    x = 148,085.98

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1.5x scale

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.