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Finding the Fourth Proportional to 236,468.20, 354,702.30 and 147,894.70

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Solution

The fourth proportional to 236,468.20, 354,702.30 and 147,894.70 is: 221,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,468.20 : 354,702.30 = 147,894.70 : x
  2. Step 2: Convert to fraction form
    236,468.20/354,702.30 = 147,894.70/x
  3. Step 3: Cross multiply
    236,468.20x = 354,702.30 × 147,894.70
  4. Step 4: Simplify right side
    236,468.20x = 52,458,590,247.81
  5. Step 5: Solve for x
    x = 52,458,590,247.81/236,468.20
  6. Step 6: Final answer
    x = 221,842.05

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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.