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Finding the Fourth Proportional to 175,540.40, 245,290 and 175,540.40

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Solution

The fourth proportional to 175,540.40, 245,290 and 175,540.40 is: 245,290

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,540.40 : 245,290 = 175,540.40 : x
  2. Step 2: Convert to fraction form
    175,540.40/245,290 = 175,540.40/x
  3. Step 3: Cross multiply
    175,540.40x = 245,290 × 175,540.40
  4. Step 4: Simplify right side
    175,540.40x = 43,058,304,716
  5. Step 5: Solve for x
    x = 43,058,304,716/175,540.40
  6. Step 6: Final answer
    x = 245,290

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.