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Finding the Fourth Proportional to 124,551.60, 186,827.40 and 123,385.20

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Solution

The fourth proportional to 124,551.60, 186,827.40 and 123,385.20 is: 185,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,551.60 : 186,827.40 = 123,385.20 : x
  2. Step 2: Convert to fraction form
    124,551.60/186,827.40 = 123,385.20/x
  3. Step 3: Cross multiply
    124,551.60x = 186,827.40 × 123,385.20
  4. Step 4: Simplify right side
    124,551.60x = 23,051,736,114.48
  5. Step 5: Solve for x
    x = 23,051,736,114.48/124,551.60
  6. Step 6: Final answer
    x = 185,077.80

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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.