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Finding the Fourth Proportional to 134,416.20, 201,697.20 and 55,538.40

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Solution

The fourth proportional to 134,416.20, 201,697.20 and 55,538.40 is: 83,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,416.20 : 201,697.20 = 55,538.40 : x
  2. Step 2: Convert to fraction form
    134,416.20/201,697.20 = 55,538.40/x
  3. Step 3: Cross multiply
    134,416.20x = 201,697.20 × 55,538.40
  4. Step 4: Simplify right side
    134,416.20x = 11,201,939,772.48
  5. Step 5: Solve for x
    x = 11,201,939,772.48/134,416.20
  6. Step 6: Final answer
    x = 83,337.72

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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.