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Finding the Fourth Proportional to 107,755.54, 148,557.69 and 75,446.69

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Solution

The fourth proportional to 107,755.54, 148,557.69 and 75,446.69 is: 104,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,755.54 : 148,557.69 = 75,446.69 : x
  2. Step 2: Convert to fraction form
    107,755.54/148,557.69 = 75,446.69/x
  3. Step 3: Cross multiply
    107,755.54x = 148,557.69 × 75,446.69
  4. Step 4: Simplify right side
    107,755.54x = 11,208,185,984.55
  5. Step 5: Solve for x
    x = 11,208,185,984.55/107,755.54
  6. Step 6: Final answer
    x = 104,014.94

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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.