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Finding the Fourth Proportional to 166,590.68, 249,885.82 and 54,270.71

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Solution

The fourth proportional to 166,590.68, 249,885.82 and 54,270.71 is: 81,406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,590.68 : 249,885.82 = 54,270.71 : x
  2. Step 2: Convert to fraction form
    166,590.68/249,885.82 = 54,270.71/x
  3. Step 3: Cross multiply
    166,590.68x = 249,885.82 × 54,270.71
  4. Step 4: Simplify right side
    166,590.68x = 13,561,480,870.33
  5. Step 5: Solve for x
    x = 13,561,480,870.33/166,590.68
  6. Step 6: Final answer
    x = 81,406.00

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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.