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Finding the Fourth Proportional to 124,444.40, 186,690.90 and 49,551.80

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Solution

The fourth proportional to 124,444.40, 186,690.90 and 49,551.80 is: 74,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,444.40 : 186,690.90 = 49,551.80 : x
  2. Step 2: Convert to fraction form
    124,444.40/186,690.90 = 49,551.80/x
  3. Step 3: Cross multiply
    124,444.40x = 186,690.90 × 49,551.80
  4. Step 4: Simplify right side
    124,444.40x = 9,250,870,138.62
  5. Step 5: Solve for x
    x = 9,250,870,138.62/124,444.40
  6. Step 6: Final answer
    x = 74,337.38

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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.