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Finding the Fourth Proportional to 77,625.60, 116,265.60 and 75,897.60

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Solution

The fourth proportional to 77,625.60, 116,265.60 and 75,897.60 is: 113,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,625.60 : 116,265.60 = 75,897.60 : x
  2. Step 2: Convert to fraction form
    77,625.60/116,265.60 = 75,897.60/x
  3. Step 3: Cross multiply
    77,625.60x = 116,265.60 × 75,897.60
  4. Step 4: Simplify right side
    77,625.60x = 8,824,280,002.56
  5. Step 5: Solve for x
    x = 8,824,280,002.56/77,625.60
  6. Step 6: Final answer
    x = 113,677.45

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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.