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Finding the Fourth Proportional to 117,895.31, 176,864.85 and 39,010.22

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Solution

The fourth proportional to 117,895.31, 176,864.85 and 39,010.22 is: 58,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,895.31 : 176,864.85 = 39,010.22 : x
  2. Step 2: Convert to fraction form
    117,895.31/176,864.85 = 39,010.22/x
  3. Step 3: Cross multiply
    117,895.31x = 176,864.85 × 39,010.22
  4. Step 4: Simplify right side
    117,895.31x = 6,899,537,482.55
  5. Step 5: Solve for x
    x = 6,899,537,482.55/117,895.31
  6. Step 6: Final answer
    x = 58,522.58

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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.