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Finding the Fourth Proportional to 283,535.01, 425,385.63 and 83,860.74

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Solution

The fourth proportional to 283,535.01, 425,385.63 and 83,860.74 is: 125,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,535.01 : 425,385.63 = 83,860.74 : x
  2. Step 2: Convert to fraction form
    283,535.01/425,385.63 = 83,860.74/x
  3. Step 3: Cross multiply
    283,535.01x = 425,385.63 × 83,860.74
  4. Step 4: Simplify right side
    283,535.01x = 35,673,153,717.17
  5. Step 5: Solve for x
    x = 35,673,153,717.17/283,535.01
  6. Step 6: Final answer
    x = 125,815.69

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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.