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Finding the Fourth Proportional to 98,610.88, 147,828 and 36,237.76

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Solution

The fourth proportional to 98,610.88, 147,828 and 36,237.76 is: 54,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610.88 : 147,828 = 36,237.76 : x
  2. Step 2: Convert to fraction form
    98,610.88/147,828 = 36,237.76/x
  3. Step 3: Cross multiply
    98,610.88x = 147,828 × 36,237.76
  4. Step 4: Simplify right side
    98,610.88x = 5,356,955,585.28
  5. Step 5: Solve for x
    x = 5,356,955,585.28/98,610.88
  6. Step 6: Final answer
    x = 54,324.18

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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.