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Finding the Fourth Proportional to 250,437.76, 345,607.68 and 149,816.32

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Solution

The fourth proportional to 250,437.76, 345,607.68 and 149,816.32 is: 206,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,437.76 : 345,607.68 = 149,816.32 : x
  2. Step 2: Convert to fraction form
    250,437.76/345,607.68 = 149,816.32/x
  3. Step 3: Cross multiply
    250,437.76x = 345,607.68 × 149,816.32
  4. Step 4: Simplify right side
    250,437.76x = 51,777,670,781.34
  5. Step 5: Solve for x
    x = 51,777,670,781.34/250,437.76
  6. Step 6: Final answer
    x = 206,748.66

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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.