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Finding the Fourth Proportional to 126,797.84, 174,981.02 and 70,209.22

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Solution

The fourth proportional to 126,797.84, 174,981.02 and 70,209.22 is: 96,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,797.84 : 174,981.02 = 70,209.22 : x
  2. Step 2: Convert to fraction form
    126,797.84/174,981.02 = 70,209.22/x
  3. Step 3: Cross multiply
    126,797.84x = 174,981.02 × 70,209.22
  4. Step 4: Simplify right side
    126,797.84x = 12,285,280,929.00
  5. Step 5: Solve for x
    x = 12,285,280,929.00/126,797.84
  6. Step 6: Final answer
    x = 96,888.72

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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.