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Finding the Fourth Proportional to 229,681.64, 344,592.39 and 117,440.70

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Solution

The fourth proportional to 229,681.64, 344,592.39 and 117,440.70 is: 176,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,681.64 : 344,592.39 = 117,440.70 : x
  2. Step 2: Convert to fraction form
    229,681.64/344,592.39 = 117,440.70/x
  3. Step 3: Cross multiply
    229,681.64x = 344,592.39 × 117,440.70
  4. Step 4: Simplify right side
    229,681.64x = 40,469,170,644.45
  5. Step 5: Solve for x
    x = 40,469,170,644.45/229,681.64
  6. Step 6: Final answer
    x = 176,196.81

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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.