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Finding the Fourth Proportional to 91,050.68, 125,605.28 and 60,843.42

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Solution

The fourth proportional to 91,050.68, 125,605.28 and 60,843.42 is: 83,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,050.68 : 125,605.28 = 60,843.42 : x
  2. Step 2: Convert to fraction form
    91,050.68/125,605.28 = 60,843.42/x
  3. Step 3: Cross multiply
    91,050.68x = 125,605.28 × 60,843.42
  4. Step 4: Simplify right side
    91,050.68x = 7,642,254,957.37
  5. Step 5: Solve for x
    x = 7,642,254,957.37/91,050.68
  6. Step 6: Final answer
    x = 83,934.08

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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.