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Finding the Fourth Proportional to 134,781.80, 201,783.90 and 134,781.80

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Solution

The fourth proportional to 134,781.80, 201,783.90 and 134,781.80 is: 201,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,781.80 : 201,783.90 = 134,781.80 : x
  2. Step 2: Convert to fraction form
    134,781.80/201,783.90 = 134,781.80/x
  3. Step 3: Cross multiply
    134,781.80x = 201,783.90 × 134,781.80
  4. Step 4: Simplify right side
    134,781.80x = 27,196,797,253.02
  5. Step 5: Solve for x
    x = 27,196,797,253.02/134,781.80
  6. Step 6: Final answer
    x = 201,783.90

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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.