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Finding the Fourth Proportional to 134,693.25, 185,893.56 and 77,350.56

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Solution

The fourth proportional to 134,693.25, 185,893.56 and 77,350.56 is: 106,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,693.25 : 185,893.56 = 77,350.56 : x
  2. Step 2: Convert to fraction form
    134,693.25/185,893.56 = 77,350.56/x
  3. Step 3: Cross multiply
    134,693.25x = 185,893.56 × 77,350.56
  4. Step 4: Simplify right side
    134,693.25x = 14,378,970,966.39
  5. Step 5: Solve for x
    x = 14,378,970,966.39/134,693.25
  6. Step 6: Final answer
    x = 106,753.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.