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Finding the Fourth Proportional to 163,918.80, 245,575.80 and 93,589.20

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Solution

The fourth proportional to 163,918.80, 245,575.80 and 93,589.20 is: 140,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,918.80 : 245,575.80 = 93,589.20 : x
  2. Step 2: Convert to fraction form
    163,918.80/245,575.80 = 93,589.20/x
  3. Step 3: Cross multiply
    163,918.80x = 245,575.80 × 93,589.20
  4. Step 4: Simplify right side
    163,918.80x = 22,983,242,661.36
  5. Step 5: Solve for x
    x = 22,983,242,661.36/163,918.80
  6. Step 6: Final answer
    x = 140,211.15

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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.