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Finding the Fourth Proportional to 134,718.60, 202,077.90 and 123,783.60

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Solution

The fourth proportional to 134,718.60, 202,077.90 and 123,783.60 is: 185,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,718.60 : 202,077.90 = 123,783.60 : x
  2. Step 2: Convert to fraction form
    134,718.60/202,077.90 = 123,783.60/x
  3. Step 3: Cross multiply
    134,718.60x = 202,077.90 × 123,783.60
  4. Step 4: Simplify right side
    134,718.60x = 25,013,929,942.44
  5. Step 5: Solve for x
    x = 25,013,929,942.44/134,718.60
  6. Step 6: Final answer
    x = 185,675.40

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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.