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Finding the Fourth Proportional to 126,787.04, 174,966.04 and 70,202

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Solution

The fourth proportional to 126,787.04, 174,966.04 and 70,202 is: 96,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,787.04 : 174,966.04 = 70,202 : x
  2. Step 2: Convert to fraction form
    126,787.04/174,966.04 = 70,202/x
  3. Step 3: Cross multiply
    126,787.04x = 174,966.04 × 70,202
  4. Step 4: Simplify right side
    126,787.04x = 12,282,965,940.08
  5. Step 5: Solve for x
    x = 12,282,965,940.08/126,787.04
  6. Step 6: Final answer
    x = 96,878.72

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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.