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Finding the Fourth Proportional to 91,934.05, 126,866.04 and 51,097.98

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Solution

The fourth proportional to 91,934.05, 126,866.04 and 51,097.98 is: 70,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.05 : 126,866.04 = 51,097.98 : x
  2. Step 2: Convert to fraction form
    91,934.05/126,866.04 = 51,097.98/x
  3. Step 3: Cross multiply
    91,934.05x = 126,866.04 × 51,097.98
  4. Step 4: Simplify right side
    91,934.05x = 6,482,598,374.60
  5. Step 5: Solve for x
    x = 6,482,598,374.60/91,934.05
  6. Step 6: Final answer
    x = 70,513.57

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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.