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Finding the Fourth Proportional to 77,486.97, 116,045.90 and 53,818.14

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Solution

The fourth proportional to 77,486.97, 116,045.90 and 53,818.14 is: 80,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,486.97 : 116,045.90 = 53,818.14 : x
  2. Step 2: Convert to fraction form
    77,486.97/116,045.90 = 53,818.14/x
  3. Step 3: Cross multiply
    77,486.97x = 116,045.90 × 53,818.14
  4. Step 4: Simplify right side
    77,486.97x = 6,245,374,223.54
  5. Step 5: Solve for x
    x = 6,245,374,223.54/77,486.97
  6. Step 6: Final answer
    x = 80,599.02

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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.