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Finding the Fourth Proportional to 173,235, 239,064.42 and 93,747

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Solution

The fourth proportional to 173,235, 239,064.42 and 93,747 is: 129,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,235 : 239,064.42 = 93,747 : x
  2. Step 2: Convert to fraction form
    173,235/239,064.42 = 93,747/x
  3. Step 3: Cross multiply
    173,235x = 239,064.42 × 93,747
  4. Step 4: Simplify right side
    173,235x = 22,411,572,181.74
  5. Step 5: Solve for x
    x = 22,411,572,181.74/173,235
  6. Step 6: Final answer
    x = 129,370.92

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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.