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Finding the Fourth Proportional to 166,647.48, 249,990.71 and 58,543.66

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Solution

The fourth proportional to 166,647.48, 249,990.71 and 58,543.66 is: 87,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,647.48 : 249,990.71 = 58,543.66 : x
  2. Step 2: Convert to fraction form
    166,647.48/249,990.71 = 58,543.66/x
  3. Step 3: Cross multiply
    166,647.48x = 249,990.71 × 58,543.66
  4. Step 4: Simplify right side
    166,647.48x = 14,635,371,149.17
  5. Step 5: Solve for x
    x = 14,635,371,149.17/166,647.48
  6. Step 6: Final answer
    x = 87,822.34

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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.