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Finding the Fourth Proportional to 166,522.80, 249,815.01 and 52,699.25

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Solution

The fourth proportional to 166,522.80, 249,815.01 and 52,699.25 is: 79,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,522.80 : 249,815.01 = 52,699.25 : x
  2. Step 2: Convert to fraction form
    166,522.80/249,815.01 = 52,699.25/x
  3. Step 3: Cross multiply
    166,522.80x = 249,815.01 × 52,699.25
  4. Step 4: Simplify right side
    166,522.80x = 13,165,064,468.66
  5. Step 5: Solve for x
    x = 13,165,064,468.66/166,522.80
  6. Step 6: Final answer
    x = 79,058.63

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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.