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Finding the Fourth Proportional to 229,760.94, 344,641.59 and 72,001.68

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Solution

The fourth proportional to 229,760.94, 344,641.59 and 72,001.68 is: 108,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,760.94 : 344,641.59 = 72,001.68 : x
  2. Step 2: Convert to fraction form
    229,760.94/344,641.59 = 72,001.68/x
  3. Step 3: Cross multiply
    229,760.94x = 344,641.59 × 72,001.68
  4. Step 4: Simplify right side
    229,760.94x = 24,814,773,477.87
  5. Step 5: Solve for x
    x = 24,814,773,477.87/229,760.94
  6. Step 6: Final answer
    x = 108,002.58

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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.