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Finding the Fourth Proportional to 103,646.68, 154,713.03 and 88,950.04

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Solution

The fourth proportional to 103,646.68, 154,713.03 and 88,950.04 is: 132,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,646.68 : 154,713.03 = 88,950.04 : x
  2. Step 2: Convert to fraction form
    103,646.68/154,713.03 = 88,950.04/x
  3. Step 3: Cross multiply
    103,646.68x = 154,713.03 × 88,950.04
  4. Step 4: Simplify right side
    103,646.68x = 13,761,729,987.02
  5. Step 5: Solve for x
    x = 13,761,729,987.02/103,646.68
  6. Step 6: Final answer
    x = 132,775.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.