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Finding the Fourth Proportional to 238,655.73, 357,983.46 and 70,177.46

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Solution

The fourth proportional to 238,655.73, 357,983.46 and 70,177.46 is: 105,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,655.73 : 357,983.46 = 70,177.46 : x
  2. Step 2: Convert to fraction form
    238,655.73/357,983.46 = 70,177.46/x
  3. Step 3: Cross multiply
    238,655.73x = 357,983.46 × 70,177.46
  4. Step 4: Simplify right side
    238,655.73x = 25,122,368,154.89
  5. Step 5: Solve for x
    x = 25,122,368,154.89/238,655.73
  6. Step 6: Final answer
    x = 105,266.14

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1.5x scale

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.