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Finding the Fourth Proportional to 230,417.19, 345,684.11 and 97,228.89

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Solution

The fourth proportional to 230,417.19, 345,684.11 and 97,228.89 is: 145,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,417.19 : 345,684.11 = 97,228.89 : x
  2. Step 2: Convert to fraction form
    230,417.19/345,684.11 = 97,228.89/x
  3. Step 3: Cross multiply
    230,417.19x = 345,684.11 × 97,228.89
  4. Step 4: Simplify right side
    230,417.19x = 33,610,481,819.79
  5. Step 5: Solve for x
    x = 33,610,481,819.79/230,417.19
  6. Step 6: Final answer
    x = 145,867.94

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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.