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Finding the Fourth Proportional to 175,050.40, 261,992.40 and 154,055.20

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Solution

The fourth proportional to 175,050.40, 261,992.40 and 154,055.20 is: 230,569.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,050.40 : 261,992.40 = 154,055.20 : x
  2. Step 2: Convert to fraction form
    175,050.40/261,992.40 = 154,055.20/x
  3. Step 3: Cross multiply
    175,050.40x = 261,992.40 × 154,055.20
  4. Step 4: Simplify right side
    175,050.40x = 40,361,291,580.48
  5. Step 5: Solve for x
    x = 40,361,291,580.48/175,050.40
  6. Step 6: Final answer
    x = 230,569.55

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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.