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Finding the Fourth Proportional to 88,712.60, 133,068.90 and 26,383.10

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Solution

The fourth proportional to 88,712.60, 133,068.90 and 26,383.10 is: 39,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.60 : 133,068.90 = 26,383.10 : x
  2. Step 2: Convert to fraction form
    88,712.60/133,068.90 = 26,383.10/x
  3. Step 3: Cross multiply
    88,712.60x = 133,068.90 × 26,383.10
  4. Step 4: Simplify right side
    88,712.60x = 3,510,770,095.59
  5. Step 5: Solve for x
    x = 3,510,770,095.59/88,712.60
  6. Step 6: Final answer
    x = 39,574.65

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1.5x scale

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.