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Finding the Fourth Proportional to 110,955.25, 153,118.25 and 60,654.25

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Solution

The fourth proportional to 110,955.25, 153,118.25 and 60,654.25 is: 83,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,955.25 : 153,118.25 = 60,654.25 : x
  2. Step 2: Convert to fraction form
    110,955.25/153,118.25 = 60,654.25/x
  3. Step 3: Cross multiply
    110,955.25x = 153,118.25 × 60,654.25
  4. Step 4: Simplify right side
    110,955.25x = 9,287,272,615.06
  5. Step 5: Solve for x
    x = 9,287,272,615.06/110,955.25
  6. Step 6: Final answer
    x = 83,702.87

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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.