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Finding the Fourth Proportional to 111,025.92, 153,219.42 and 60,724.92

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Solution

The fourth proportional to 111,025.92, 153,219.42 and 60,724.92 is: 83,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,025.92 : 153,219.42 = 60,724.92 : x
  2. Step 2: Convert to fraction form
    111,025.92/153,219.42 = 60,724.92/x
  3. Step 3: Cross multiply
    111,025.92x = 153,219.42 × 60,724.92
  4. Step 4: Simplify right side
    111,025.92x = 9,304,237,021.95
  5. Step 5: Solve for x
    x = 9,304,237,021.95/111,025.92
  6. Step 6: Final answer
    x = 83,802.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.