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Finding the Fourth Proportional to 117,159, 175,702.17 and 42,269.43

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Solution

The fourth proportional to 117,159, 175,702.17 and 42,269.43 is: 63,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,159 : 175,702.17 = 42,269.43 : x
  2. Step 2: Convert to fraction form
    117,159/175,702.17 = 42,269.43/x
  3. Step 3: Cross multiply
    117,159x = 175,702.17 × 42,269.43
  4. Step 4: Simplify right side
    117,159x = 7,426,830,575.66
  5. Step 5: Solve for x
    x = 7,426,830,575.66/117,159
  6. Step 6: Final answer
    x = 63,391.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.