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Finding the Fourth Proportional to 100,110.88, 137,417.12 and 88,526.56

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Solution

The fourth proportional to 100,110.88, 137,417.12 and 88,526.56 is: 121,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,110.88 : 137,417.12 = 88,526.56 : x
  2. Step 2: Convert to fraction form
    100,110.88/137,417.12 = 88,526.56/x
  3. Step 3: Cross multiply
    100,110.88x = 137,417.12 × 88,526.56
  4. Step 4: Simplify right side
    100,110.88x = 12,165,064,918.71
  5. Step 5: Solve for x
    x = 12,165,064,918.71/100,110.88
  6. Step 6: Final answer
    x = 121,515.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.