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Finding the Fourth Proportional to 150,842.55, 208,103.20 and 97,158.69

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Solution

The fourth proportional to 150,842.55, 208,103.20 and 97,158.69 is: 134,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,842.55 : 208,103.20 = 97,158.69 : x
  2. Step 2: Convert to fraction form
    150,842.55/208,103.20 = 97,158.69/x
  3. Step 3: Cross multiply
    150,842.55x = 208,103.20 × 97,158.69
  4. Step 4: Simplify right side
    150,842.55x = 20,219,034,327.17
  5. Step 5: Solve for x
    x = 20,219,034,327.17/150,842.55
  6. Step 6: Final answer
    x = 134,040.65

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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.