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Finding the Fourth Proportional to 283,547.58, 425,404.40 and 83,873.28

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Solution

The fourth proportional to 283,547.58, 425,404.40 and 83,873.28 is: 125,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,547.58 : 425,404.40 = 83,873.28 : x
  2. Step 2: Convert to fraction form
    283,547.58/425,404.40 = 83,873.28/x
  3. Step 3: Cross multiply
    283,547.58x = 425,404.40 × 83,873.28
  4. Step 4: Simplify right side
    283,547.58x = 35,680,062,354.43
  5. Step 5: Solve for x
    x = 35,680,062,354.43/283,547.58
  6. Step 6: Final answer
    x = 125,834.48

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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.