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Finding the Fourth Proportional to 103,588.38, 155,645.22 and 96,622.74

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Solution

The fourth proportional to 103,588.38, 155,645.22 and 96,622.74 is: 145,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,588.38 : 155,645.22 = 96,622.74 : x
  2. Step 2: Convert to fraction form
    103,588.38/155,645.22 = 96,622.74/x
  3. Step 3: Cross multiply
    103,588.38x = 155,645.22 × 96,622.74
  4. Step 4: Simplify right side
    103,588.38x = 15,038,867,624.30
  5. Step 5: Solve for x
    x = 15,038,867,624.30/103,588.38
  6. Step 6: Final answer
    x = 145,179.10

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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.