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Finding the Fourth Proportional to 95,070.60, 142,605.90 and 90,696.60

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Solution

The fourth proportional to 95,070.60, 142,605.90 and 90,696.60 is: 136,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,070.60 : 142,605.90 = 90,696.60 : x
  2. Step 2: Convert to fraction form
    95,070.60/142,605.90 = 90,696.60/x
  3. Step 3: Cross multiply
    95,070.60x = 142,605.90 × 90,696.60
  4. Step 4: Simplify right side
    95,070.60x = 12,933,870,269.94
  5. Step 5: Solve for x
    x = 12,933,870,269.94/95,070.60
  6. Step 6: Final answer
    x = 136,044.90

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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.