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Finding the Fourth Proportional to 175,055.76, 241,432.56 and 111,282.48

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Solution

The fourth proportional to 175,055.76, 241,432.56 and 111,282.48 is: 153,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,055.76 : 241,432.56 = 111,282.48 : x
  2. Step 2: Convert to fraction form
    175,055.76/241,432.56 = 111,282.48/x
  3. Step 3: Cross multiply
    175,055.76x = 241,432.56 × 111,282.48
  4. Step 4: Simplify right side
    175,055.76x = 26,867,214,029.55
  5. Step 5: Solve for x
    x = 26,867,214,029.55/175,055.76
  6. Step 6: Final answer
    x = 153,478.03

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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.