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Finding the Fourth Proportional to 110,920.06, 153,069.78 and 60,619.06

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Solution

The fourth proportional to 110,920.06, 153,069.78 and 60,619.06 is: 83,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,920.06 : 153,069.78 = 60,619.06 : x
  2. Step 2: Convert to fraction form
    110,920.06/153,069.78 = 60,619.06/x
  3. Step 3: Cross multiply
    110,920.06x = 153,069.78 × 60,619.06
  4. Step 4: Simplify right side
    110,920.06x = 9,278,946,178.01
  5. Step 5: Solve for x
    x = 9,278,946,178.01/110,920.06
  6. Step 6: Final answer
    x = 83,654.36

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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.