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Finding the Fourth Proportional to 283,600.50, 425,468.64 and 81,199.42

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Solution

The fourth proportional to 283,600.50, 425,468.64 and 81,199.42 is: 121,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,600.50 : 425,468.64 = 81,199.42 : x
  2. Step 2: Convert to fraction form
    283,600.50/425,468.64 = 81,199.42/x
  3. Step 3: Cross multiply
    283,600.50x = 425,468.64 × 81,199.42
  4. Step 4: Simplify right side
    283,600.50x = 34,547,806,796.19
  5. Step 5: Solve for x
    x = 34,547,806,796.19/283,600.50
  6. Step 6: Final answer
    x = 121,818.57

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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.