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Finding the Fourth Proportional to 121,925.52, 182,759.63 and 65,750.33

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Solution

The fourth proportional to 121,925.52, 182,759.63 and 65,750.33 is: 98,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,925.52 : 182,759.63 = 65,750.33 : x
  2. Step 2: Convert to fraction form
    121,925.52/182,759.63 = 65,750.33/x
  3. Step 3: Cross multiply
    121,925.52x = 182,759.63 × 65,750.33
  4. Step 4: Simplify right side
    121,925.52x = 12,016,506,111.33
  5. Step 5: Solve for x
    x = 12,016,506,111.33/121,925.52
  6. Step 6: Final answer
    x = 98,556.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.