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Finding the Fourth Proportional to 145,482.28, 200,793.10 and 91,059.68

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Solution

The fourth proportional to 145,482.28, 200,793.10 and 91,059.68 is: 125,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,482.28 : 200,793.10 = 91,059.68 : x
  2. Step 2: Convert to fraction form
    145,482.28/200,793.10 = 91,059.68/x
  3. Step 3: Cross multiply
    145,482.28x = 200,793.10 × 91,059.68
  4. Step 4: Simplify right side
    145,482.28x = 18,284,155,432.21
  5. Step 5: Solve for x
    x = 18,284,155,432.21/145,482.28
  6. Step 6: Final answer
    x = 125,679.60

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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.