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Finding the Fourth Proportional to 286,745.66, 429,849.82 and 97,073.36

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Solution

The fourth proportional to 286,745.66, 429,849.82 and 97,073.36 is: 145,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,745.66 : 429,849.82 = 97,073.36 : x
  2. Step 2: Convert to fraction form
    286,745.66/429,849.82 = 97,073.36/x
  3. Step 3: Cross multiply
    286,745.66x = 429,849.82 × 97,073.36
  4. Step 4: Simplify right side
    286,745.66x = 41,726,966,322.80
  5. Step 5: Solve for x
    x = 41,726,966,322.80/286,745.66
  6. Step 6: Final answer
    x = 145,519.09

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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.