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Finding the Fourth Proportional to 173,385, 239,271.57 and 93,897

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Solution

The fourth proportional to 173,385, 239,271.57 and 93,897 is: 129,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,385 : 239,271.57 = 93,897 : x
  2. Step 2: Convert to fraction form
    173,385/239,271.57 = 93,897/x
  3. Step 3: Cross multiply
    173,385x = 239,271.57 × 93,897
  4. Step 4: Simplify right side
    173,385x = 22,466,882,608.29
  5. Step 5: Solve for x
    x = 22,466,882,608.29/173,385
  6. Step 6: Final answer
    x = 129,578.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.