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Finding the Fourth Proportional to 126,792.84, 174,974.12 and 70,204.22

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Solution

The fourth proportional to 126,792.84, 174,974.12 and 70,204.22 is: 96,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,792.84 : 174,974.12 = 70,204.22 : x
  2. Step 2: Convert to fraction form
    126,792.84/174,974.12 = 70,204.22/x
  3. Step 3: Cross multiply
    126,792.84x = 174,974.12 × 70,204.22
  4. Step 4: Simplify right side
    126,792.84x = 12,283,921,703.21
  5. Step 5: Solve for x
    x = 12,283,921,703.21/126,792.84
  6. Step 6: Final answer
    x = 96,881.82

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1.5x scale

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.