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Finding the Fourth Proportional to 173,570.62, 260,503.86 and 68,463.40

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Solution

The fourth proportional to 173,570.62, 260,503.86 and 68,463.40 is: 102,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,570.62 : 260,503.86 = 68,463.40 : x
  2. Step 2: Convert to fraction form
    173,570.62/260,503.86 = 68,463.40/x
  3. Step 3: Cross multiply
    173,570.62x = 260,503.86 × 68,463.40
  4. Step 4: Simplify right side
    173,570.62x = 17,834,979,968.72
  5. Step 5: Solve for x
    x = 17,834,979,968.72/173,570.62
  6. Step 6: Final answer
    x = 102,753.45

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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.