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Finding the Fourth Proportional to 134,685.60, 202,009.20 and 45,943.20

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Solution

The fourth proportional to 134,685.60, 202,009.20 and 45,943.20 is: 68,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,685.60 : 202,009.20 = 45,943.20 : x
  2. Step 2: Convert to fraction form
    134,685.60/202,009.20 = 45,943.20/x
  3. Step 3: Cross multiply
    134,685.60x = 202,009.20 × 45,943.20
  4. Step 4: Simplify right side
    134,685.60x = 9,280,949,077.44
  5. Step 5: Solve for x
    x = 9,280,949,077.44/134,685.60
  6. Step 6: Final answer
    x = 68,908.25

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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.