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Finding the Fourth Proportional to 148,468.60, 222,702.90 and 130,036.60

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Solution

The fourth proportional to 148,468.60, 222,702.90 and 130,036.60 is: 195,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,468.60 : 222,702.90 = 130,036.60 : x
  2. Step 2: Convert to fraction form
    148,468.60/222,702.90 = 130,036.60/x
  3. Step 3: Cross multiply
    148,468.60x = 222,702.90 × 130,036.60
  4. Step 4: Simplify right side
    148,468.60x = 28,959,527,926.14
  5. Step 5: Solve for x
    x = 28,959,527,926.14/148,468.60
  6. Step 6: Final answer
    x = 195,054.90

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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.