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Finding the Fourth Proportional to 91,686.83, 137,531.46 and 29,357.33

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Solution

The fourth proportional to 91,686.83, 137,531.46 and 29,357.33 is: 44,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,686.83 : 137,531.46 = 29,357.33 : x
  2. Step 2: Convert to fraction form
    91,686.83/137,531.46 = 29,357.33/x
  3. Step 3: Cross multiply
    91,686.83x = 137,531.46 × 29,357.33
  4. Step 4: Simplify right side
    91,686.83x = 4,037,556,456.60
  5. Step 5: Solve for x
    x = 4,037,556,456.60/91,686.83
  6. Step 6: Final answer
    x = 44,036.38

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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.