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Finding the Fourth Proportional to 126,807.95, 175,000.25 and 70,219.32

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Solution

The fourth proportional to 126,807.95, 175,000.25 and 70,219.32 is: 96,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,807.95 : 175,000.25 = 70,219.32 : x
  2. Step 2: Convert to fraction form
    126,807.95/175,000.25 = 70,219.32/x
  3. Step 3: Cross multiply
    126,807.95x = 175,000.25 × 70,219.32
  4. Step 4: Simplify right side
    126,807.95x = 12,288,398,203.73
  5. Step 5: Solve for x
    x = 12,288,398,203.73/126,807.95
  6. Step 6: Final answer
    x = 96,905.59

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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.