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Finding the Fourth Proportional to 316,829.82, 475,350.77 and 103,607.58

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Solution

The fourth proportional to 316,829.82, 475,350.77 and 103,607.58 is: 155,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,829.82 : 475,350.77 = 103,607.58 : x
  2. Step 2: Convert to fraction form
    316,829.82/475,350.77 = 103,607.58/x
  3. Step 3: Cross multiply
    316,829.82x = 475,350.77 × 103,607.58
  4. Step 4: Simplify right side
    316,829.82x = 49,249,942,930.84
  5. Step 5: Solve for x
    x = 49,249,942,930.84/316,829.82
  6. Step 6: Final answer
    x = 155,446.05

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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.