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Finding the Fourth Proportional to 126,112.50, 174,030.93 and 69,520.50

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Solution

The fourth proportional to 126,112.50, 174,030.93 and 69,520.50 is: 95,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,112.50 : 174,030.93 = 69,520.50 : x
  2. Step 2: Convert to fraction form
    126,112.50/174,030.93 = 69,520.50/x
  3. Step 3: Cross multiply
    126,112.50x = 174,030.93 × 69,520.50
  4. Step 4: Simplify right side
    126,112.50x = 12,098,717,269.07
  5. Step 5: Solve for x
    x = 12,098,717,269.07/126,112.50
  6. Step 6: Final answer
    x = 95,935.91

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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.