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Finding the Fourth Proportional to 245,398.88, 368,098.04 and 79,186.88

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Solution

The fourth proportional to 245,398.88, 368,098.04 and 79,186.88 is: 118,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,398.88 : 368,098.04 = 79,186.88 : x
  2. Step 2: Convert to fraction form
    245,398.88/368,098.04 = 79,186.88/x
  3. Step 3: Cross multiply
    245,398.88x = 368,098.04 × 79,186.88
  4. Step 4: Simplify right side
    245,398.88x = 29,148,535,321.72
  5. Step 5: Solve for x
    x = 29,148,535,321.72/245,398.88
  6. Step 6: Final answer
    x = 118,780.23

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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.