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Finding the Fourth Proportional to 134,039.68, 202,319.20 and 134,039.68

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Solution

The fourth proportional to 134,039.68, 202,319.20 and 134,039.68 is: 202,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,039.68 : 202,319.20 = 134,039.68 : x
  2. Step 2: Convert to fraction form
    134,039.68/202,319.20 = 134,039.68/x
  3. Step 3: Cross multiply
    134,039.68x = 202,319.20 × 134,039.68
  4. Step 4: Simplify right side
    134,039.68x = 27,118,800,825.86
  5. Step 5: Solve for x
    x = 27,118,800,825.86/134,039.68
  6. Step 6: Final answer
    x = 202,319.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.