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Finding the Fourth Proportional to 238,438.93, 357,713.76 and 69,952.45

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Solution

The fourth proportional to 238,438.93, 357,713.76 and 69,952.45 is: 104,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,438.93 : 357,713.76 = 69,952.45 : x
  2. Step 2: Convert to fraction form
    238,438.93/357,713.76 = 69,952.45/x
  3. Step 3: Cross multiply
    238,438.93x = 357,713.76 × 69,952.45
  4. Step 4: Simplify right side
    238,438.93x = 25,022,953,910.71
  5. Step 5: Solve for x
    x = 25,022,953,910.71/238,438.93
  6. Step 6: Final answer
    x = 104,944.92

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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.