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Finding the Fourth Proportional to 238,655.98, 357,983.84 and 70,177.70

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Solution

The fourth proportional to 238,655.98, 357,983.84 and 70,177.70 is: 105,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,655.98 : 357,983.84 = 70,177.70 : x
  2. Step 2: Convert to fraction form
    238,655.98/357,983.84 = 70,177.70/x
  3. Step 3: Cross multiply
    238,655.98x = 357,983.84 × 70,177.70
  4. Step 4: Simplify right side
    238,655.98x = 25,122,482,528.37
  5. Step 5: Solve for x
    x = 25,122,482,528.37/238,655.98
  6. Step 6: Final answer
    x = 105,266.51

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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.