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Finding the Fourth Proportional to 126,852.32, 175,061.97 and 70,263.69

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Solution

The fourth proportional to 126,852.32, 175,061.97 and 70,263.69 is: 96,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,852.32 : 175,061.97 = 70,263.69 : x
  2. Step 2: Convert to fraction form
    126,852.32/175,061.97 = 70,263.69/x
  3. Step 3: Cross multiply
    126,852.32x = 175,061.97 × 70,263.69
  4. Step 4: Simplify right side
    126,852.32x = 12,300,499,639.55
  5. Step 5: Solve for x
    x = 12,300,499,639.55/126,852.32
  6. Step 6: Final answer
    x = 96,967.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.