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Finding the Fourth Proportional to 158,357, 218,526.26 and 94,729.96

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Solution

The fourth proportional to 158,357, 218,526.26 and 94,729.96 is: 130,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,357 : 218,526.26 = 94,729.96 : x
  2. Step 2: Convert to fraction form
    158,357/218,526.26 = 94,729.96/x
  3. Step 3: Cross multiply
    158,357x = 218,526.26 × 94,729.96
  4. Step 4: Simplify right side
    158,357x = 20,700,983,868.75
  5. Step 5: Solve for x
    x = 20,700,983,868.75/158,357
  6. Step 6: Final answer
    x = 130,723.52

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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.