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Finding the Fourth Proportional to 123,959.60, 185,939.40 and 116,572.40

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Solution

The fourth proportional to 123,959.60, 185,939.40 and 116,572.40 is: 174,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,959.60 : 185,939.40 = 116,572.40 : x
  2. Step 2: Convert to fraction form
    123,959.60/185,939.40 = 116,572.40/x
  3. Step 3: Cross multiply
    123,959.60x = 185,939.40 × 116,572.40
  4. Step 4: Simplify right side
    123,959.60x = 21,675,402,112.56
  5. Step 5: Solve for x
    x = 21,675,402,112.56/123,959.60
  6. Step 6: Final answer
    x = 174,858.60

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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.