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Finding the Fourth Proportional to 236,442.30, 354,663.45 and 147,795.90

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Solution

The fourth proportional to 236,442.30, 354,663.45 and 147,795.90 is: 221,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,442.30 : 354,663.45 = 147,795.90 : x
  2. Step 2: Convert to fraction form
    236,442.30/354,663.45 = 147,795.90/x
  3. Step 3: Cross multiply
    236,442.30x = 354,663.45 × 147,795.90
  4. Step 4: Simplify right side
    236,442.30x = 52,417,803,789.86
  5. Step 5: Solve for x
    x = 52,417,803,789.86/236,442.30
  6. Step 6: Final answer
    x = 221,693.85

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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.