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Finding the Fourth Proportional to 158,536, 218,779.68 and 94,882.96

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Solution

The fourth proportional to 158,536, 218,779.68 and 94,882.96 is: 130,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,536 : 218,779.68 = 94,882.96 : x
  2. Step 2: Convert to fraction form
    158,536/218,779.68 = 94,882.96/x
  3. Step 3: Cross multiply
    158,536x = 218,779.68 × 94,882.96
  4. Step 4: Simplify right side
    158,536x = 20,758,463,626.25
  5. Step 5: Solve for x
    x = 20,758,463,626.25/158,536
  6. Step 6: Final answer
    x = 130,938.48

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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.