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Finding the Fourth Proportional to 110,348.49, 152,268.54 and 65,023.53

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Solution

The fourth proportional to 110,348.49, 152,268.54 and 65,023.53 is: 89,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,348.49 : 152,268.54 = 65,023.53 : x
  2. Step 2: Convert to fraction form
    110,348.49/152,268.54 = 65,023.53/x
  3. Step 3: Cross multiply
    110,348.49x = 152,268.54 × 65,023.53
  4. Step 4: Simplify right side
    110,348.49x = 9,901,037,978.75
  5. Step 5: Solve for x
    x = 9,901,037,978.75/110,348.49
  6. Step 6: Final answer
    x = 89,725.18

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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.