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Finding the Fourth Proportional to 173,424.60, 260,072.10 and 68,221.80

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Solution

The fourth proportional to 173,424.60, 260,072.10 and 68,221.80 is: 102,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,424.60 : 260,072.10 = 68,221.80 : x
  2. Step 2: Convert to fraction form
    173,424.60/260,072.10 = 68,221.80/x
  3. Step 3: Cross multiply
    173,424.60x = 260,072.10 × 68,221.80
  4. Step 4: Simplify right side
    173,424.60x = 17,742,586,791.78
  5. Step 5: Solve for x
    x = 17,742,586,791.78/173,424.60
  6. Step 6: Final answer
    x = 102,307.21

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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.