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Finding the Fourth Proportional to 250,433.44, 345,582.48 and 137,248.16

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Solution

The fourth proportional to 250,433.44, 345,582.48 and 137,248.16 is: 189,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,433.44 : 345,582.48 = 137,248.16 : x
  2. Step 2: Convert to fraction form
    250,433.44/345,582.48 = 137,248.16/x
  3. Step 3: Cross multiply
    250,433.44x = 345,582.48 × 137,248.16
  4. Step 4: Simplify right side
    250,433.44x = 47,430,559,508.24
  5. Step 5: Solve for x
    x = 47,430,559,508.24/250,433.44
  6. Step 6: Final answer
    x = 189,393.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.