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Finding the Fourth Proportional to 235,200.90, 352,542.15 and 130,095.30

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Solution

The fourth proportional to 235,200.90, 352,542.15 and 130,095.30 is: 194,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,200.90 : 352,542.15 = 130,095.30 : x
  2. Step 2: Convert to fraction form
    235,200.90/352,542.15 = 130,095.30/x
  3. Step 3: Cross multiply
    235,200.90x = 352,542.15 × 130,095.30
  4. Step 4: Simplify right side
    235,200.90x = 45,864,076,766.90
  5. Step 5: Solve for x
    x = 45,864,076,766.90/235,200.90
  6. Step 6: Final answer
    x = 194,999.58

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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.