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Finding the Fourth Proportional to 110,920.13, 153,069.78 and 60,619.13

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Solution

The fourth proportional to 110,920.13, 153,069.78 and 60,619.13 is: 83,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,920.13 : 153,069.78 = 60,619.13 : x
  2. Step 2: Convert to fraction form
    110,920.13/153,069.78 = 60,619.13/x
  3. Step 3: Cross multiply
    110,920.13x = 153,069.78 × 60,619.13
  4. Step 4: Simplify right side
    110,920.13x = 9,278,956,127.54
  5. Step 5: Solve for x
    x = 9,278,956,127.54/110,920.13
  6. Step 6: Final answer
    x = 83,654.40

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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.