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Finding the Fourth Proportional to 123,549.44, 185,295.72 and 73,643.60

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Solution

The fourth proportional to 123,549.44, 185,295.72 and 73,643.60 is: 110,448.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,549.44 : 185,295.72 = 73,643.60 : x
  2. Step 2: Convert to fraction form
    123,549.44/185,295.72 = 73,643.60/x
  3. Step 3: Cross multiply
    123,549.44x = 185,295.72 × 73,643.60
  4. Step 4: Simplify right side
    123,549.44x = 13,645,843,885.39
  5. Step 5: Solve for x
    x = 13,645,843,885.39/123,549.44
  6. Step 6: Final answer
    x = 110,448.45

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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.