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Finding the Fourth Proportional to 134,239.38, 185,245.60 and 73,809.60

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Solution

The fourth proportional to 134,239.38, 185,245.60 and 73,809.60 is: 101,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,239.38 : 185,245.60 = 73,809.60 : x
  2. Step 2: Convert to fraction form
    134,239.38/185,245.60 = 73,809.60/x
  3. Step 3: Cross multiply
    134,239.38x = 185,245.60 × 73,809.60
  4. Step 4: Simplify right side
    134,239.38x = 13,672,903,637.76
  5. Step 5: Solve for x
    x = 13,672,903,637.76/134,239.38
  6. Step 6: Final answer
    x = 101,854.64

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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.