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Finding the Fourth Proportional to 134,772.70, 202,171.20 and 55,870.60

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Solution

The fourth proportional to 134,772.70, 202,171.20 and 55,870.60 is: 83,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,772.70 : 202,171.20 = 55,870.60 : x
  2. Step 2: Convert to fraction form
    134,772.70/202,171.20 = 55,870.60/x
  3. Step 3: Cross multiply
    134,772.70x = 202,171.20 × 55,870.60
  4. Step 4: Simplify right side
    134,772.70x = 11,295,426,246.72
  5. Step 5: Solve for x
    x = 11,295,426,246.72/134,772.70
  6. Step 6: Final answer
    x = 83,810.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.