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Finding the Fourth Proportional to 147,130.60, 220,400.52 and 124,544.56

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Solution

The fourth proportional to 147,130.60, 220,400.52 and 124,544.56 is: 186,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,130.60 : 220,400.52 = 124,544.56 : x
  2. Step 2: Convert to fraction form
    147,130.60/220,400.52 = 124,544.56/x
  3. Step 3: Cross multiply
    147,130.60x = 220,400.52 × 124,544.56
  4. Step 4: Simplify right side
    147,130.60x = 27,449,685,787.17
  5. Step 5: Solve for x
    x = 27,449,685,787.17/147,130.60
  6. Step 6: Final answer
    x = 186,566.80

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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.