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Finding the Fourth Proportional to 173,272, 239,116.08 and 93,784

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Solution

The fourth proportional to 173,272, 239,116.08 and 93,784 is: 129,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272 : 239,116.08 = 93,784 : x
  2. Step 2: Convert to fraction form
    173,272/239,116.08 = 93,784/x
  3. Step 3: Cross multiply
    173,272x = 239,116.08 × 93,784
  4. Step 4: Simplify right side
    173,272x = 22,425,262,446.72
  5. Step 5: Solve for x
    x = 22,425,262,446.72/173,272
  6. Step 6: Final answer
    x = 129,422.31

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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.