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Finding the Fourth Proportional to 163,934.60, 245,441.10 and 159,326.60

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Solution

The fourth proportional to 163,934.60, 245,441.10 and 159,326.60 is: 238,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,934.60 : 245,441.10 = 159,326.60 : x
  2. Step 2: Convert to fraction form
    163,934.60/245,441.10 = 159,326.60/x
  3. Step 3: Cross multiply
    163,934.60x = 245,441.10 × 159,326.60
  4. Step 4: Simplify right side
    163,934.60x = 39,105,295,963.26
  5. Step 5: Solve for x
    x = 39,105,295,963.26/163,934.60
  6. Step 6: Final answer
    x = 238,542.05

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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.