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Finding the Fourth Proportional to 248,088.40, 372,132.60 and 239,534.80

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Solution

The fourth proportional to 248,088.40, 372,132.60 and 239,534.80 is: 359,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,088.40 : 372,132.60 = 239,534.80 : x
  2. Step 2: Convert to fraction form
    248,088.40/372,132.60 = 239,534.80/x
  3. Step 3: Cross multiply
    248,088.40x = 372,132.60 × 239,534.80
  4. Step 4: Simplify right side
    248,088.40x = 89,138,707,914.48
  5. Step 5: Solve for x
    x = 89,138,707,914.48/248,088.40
  6. Step 6: Final answer
    x = 359,302.20

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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.