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Finding the Fourth Proportional to 234,097.40, 323,053.59 and 126,666.95

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Solution

The fourth proportional to 234,097.40, 323,053.59 and 126,666.95 is: 174,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,097.40 : 323,053.59 = 126,666.95 : x
  2. Step 2: Convert to fraction form
    234,097.40/323,053.59 = 126,666.95/x
  3. Step 3: Cross multiply
    234,097.40x = 323,053.59 × 126,666.95
  4. Step 4: Simplify right side
    234,097.40x = 40,920,212,931.85
  5. Step 5: Solve for x
    x = 40,920,212,931.85/234,097.40
  6. Step 6: Final answer
    x = 174,799.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.