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Finding the Fourth Proportional to 73,841, 110,580.54 and 66,740.84

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Solution

The fourth proportional to 73,841, 110,580.54 and 66,740.84 is: 99,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,841 : 110,580.54 = 66,740.84 : x
  2. Step 2: Convert to fraction form
    73,841/110,580.54 = 66,740.84/x
  3. Step 3: Cross multiply
    73,841x = 110,580.54 × 66,740.84
  4. Step 4: Simplify right side
    73,841x = 7,380,238,127.25
  5. Step 5: Solve for x
    x = 7,380,238,127.25/73,841
  6. Step 6: Final answer
    x = 99,947.70

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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.