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Finding the Fourth Proportional to 110,642.40, 165,526.20 and 96,013.80

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Solution

The fourth proportional to 110,642.40, 165,526.20 and 96,013.80 is: 143,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,642.40 : 165,526.20 = 96,013.80 : x
  2. Step 2: Convert to fraction form
    110,642.40/165,526.20 = 96,013.80/x
  3. Step 3: Cross multiply
    110,642.40x = 165,526.20 × 96,013.80
  4. Step 4: Simplify right side
    110,642.40x = 15,892,799,461.56
  5. Step 5: Solve for x
    x = 15,892,799,461.56/110,642.40
  6. Step 6: Final answer
    x = 143,641.13

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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.