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Finding the Fourth Proportional to 126,800.84, 174,985.16 and 70,212.24

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Solution

The fourth proportional to 126,800.84, 174,985.16 and 70,212.24 is: 96,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,800.84 : 174,985.16 = 70,212.24 : x
  2. Step 2: Convert to fraction form
    126,800.84/174,985.16 = 70,212.24/x
  3. Step 3: Cross multiply
    126,800.84x = 174,985.16 × 70,212.24
  4. Step 4: Simplify right side
    126,800.84x = 12,286,100,050.36
  5. Step 5: Solve for x
    x = 12,286,100,050.36/126,800.84
  6. Step 6: Final answer
    x = 96,892.89

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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.