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Finding the Fourth Proportional to 153,337.74, 211,606.02 and 85,353.24

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Solution

The fourth proportional to 153,337.74, 211,606.02 and 85,353.24 is: 117,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,337.74 : 211,606.02 = 85,353.24 : x
  2. Step 2: Convert to fraction form
    153,337.74/211,606.02 = 85,353.24/x
  3. Step 3: Cross multiply
    153,337.74x = 211,606.02 × 85,353.24
  4. Step 4: Simplify right side
    153,337.74x = 18,061,259,410.50
  5. Step 5: Solve for x
    x = 18,061,259,410.50/153,337.74
  6. Step 6: Final answer
    x = 117,787.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.