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Finding the Fourth Proportional to 250,058.60, 345,089.10 and 136,881.32

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Solution

The fourth proportional to 250,058.60, 345,089.10 and 136,881.32 is: 188,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,058.60 : 345,089.10 = 136,881.32 : x
  2. Step 2: Convert to fraction form
    250,058.60/345,089.10 = 136,881.32/x
  3. Step 3: Cross multiply
    250,058.60x = 345,089.10 × 136,881.32
  4. Step 4: Simplify right side
    250,058.60x = 47,236,251,525.61
  5. Step 5: Solve for x
    x = 47,236,251,525.61/250,058.60
  6. Step 6: Final answer
    x = 188,900.73

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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.