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Finding the Fourth Proportional to 194,758.55, 292,154.55 and 68,387.93

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Solution

The fourth proportional to 194,758.55, 292,154.55 and 68,387.93 is: 102,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,758.55 : 292,154.55 = 68,387.93 : x
  2. Step 2: Convert to fraction form
    194,758.55/292,154.55 = 68,387.93/x
  3. Step 3: Cross multiply
    194,758.55x = 292,154.55 × 68,387.93
  4. Step 4: Simplify right side
    194,758.55x = 19,979,844,292.93
  5. Step 5: Solve for x
    x = 19,979,844,292.93/194,758.55
  6. Step 6: Final answer
    x = 102,587.77

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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.