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Finding the Fourth Proportional to 126,957.84, 175,207.86 and 70,369.26

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Solution

The fourth proportional to 126,957.84, 175,207.86 and 70,369.26 is: 97,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,957.84 : 175,207.86 = 70,369.26 : x
  2. Step 2: Convert to fraction form
    126,957.84/175,207.86 = 70,369.26/x
  3. Step 3: Cross multiply
    126,957.84x = 175,207.86 × 70,369.26
  4. Step 4: Simplify right side
    126,957.84x = 12,329,247,454.38
  5. Step 5: Solve for x
    x = 12,329,247,454.38/126,957.84
  6. Step 6: Final answer
    x = 97,112.93

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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.