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Finding the Fourth Proportional to 229,765.60, 344,648.58 and 72,006.31

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Solution

The fourth proportional to 229,765.60, 344,648.58 and 72,006.31 is: 108,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,765.60 : 344,648.58 = 72,006.31 : x
  2. Step 2: Convert to fraction form
    229,765.60/344,648.58 = 72,006.31/x
  3. Step 3: Cross multiply
    229,765.60x = 344,648.58 × 72,006.31
  4. Step 4: Simplify right side
    229,765.60x = 24,816,872,492.54
  5. Step 5: Solve for x
    x = 24,816,872,492.54/229,765.60
  6. Step 6: Final answer
    x = 108,009.52

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1.5x scale

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.