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Finding the Fourth Proportional to 175,064.85, 262,602.68 and 68,444.55

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Solution

The fourth proportional to 175,064.85, 262,602.68 and 68,444.55 is: 102,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,064.85 : 262,602.68 = 68,444.55 : x
  2. Step 2: Convert to fraction form
    175,064.85/262,602.68 = 68,444.55/x
  3. Step 3: Cross multiply
    175,064.85x = 262,602.68 × 68,444.55
  4. Step 4: Simplify right side
    175,064.85x = 17,973,721,919.17
  5. Step 5: Solve for x
    x = 17,973,721,919.17/175,064.85
  6. Step 6: Final answer
    x = 102,668.94

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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.