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Finding the Fourth Proportional to 117,058.70, 175,634.80 and 69,696.11

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Solution

The fourth proportional to 117,058.70, 175,634.80 and 69,696.11 is: 104,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,058.70 : 175,634.80 = 69,696.11 : x
  2. Step 2: Convert to fraction form
    117,058.70/175,634.80 = 69,696.11/x
  3. Step 3: Cross multiply
    117,058.70x = 175,634.80 × 69,696.11
  4. Step 4: Simplify right side
    117,058.70x = 12,241,062,605.47
  5. Step 5: Solve for x
    x = 12,241,062,605.47/117,058.70
  6. Step 6: Final answer
    x = 104,572.00

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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.