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Finding the Fourth Proportional to 124,560.30, 186,840.45 and 89,568.30

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Solution

The fourth proportional to 124,560.30, 186,840.45 and 89,568.30 is: 134,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,560.30 : 186,840.45 = 89,568.30 : x
  2. Step 2: Convert to fraction form
    124,560.30/186,840.45 = 89,568.30/x
  3. Step 3: Cross multiply
    124,560.30x = 186,840.45 × 89,568.30
  4. Step 4: Simplify right side
    124,560.30x = 16,734,981,477.74
  5. Step 5: Solve for x
    x = 16,734,981,477.74/124,560.30
  6. Step 6: Final answer
    x = 134,352.45

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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.