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Finding the Fourth Proportional to 110,735.56, 152,810.25 and 62,988.49

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Solution

The fourth proportional to 110,735.56, 152,810.25 and 62,988.49 is: 86,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,735.56 : 152,810.25 = 62,988.49 : x
  2. Step 2: Convert to fraction form
    110,735.56/152,810.25 = 62,988.49/x
  3. Step 3: Cross multiply
    110,735.56x = 152,810.25 × 62,988.49
  4. Step 4: Simplify right side
    110,735.56x = 9,625,286,904.02
  5. Step 5: Solve for x
    x = 9,625,286,904.02/110,735.56
  6. Step 6: Final answer
    x = 86,921.37

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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.