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Finding the Fourth Proportional to 166,581, 249,897.47 and 54,234.70

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Solution

The fourth proportional to 166,581, 249,897.47 and 54,234.70 is: 81,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,581 : 249,897.47 = 54,234.70 : x
  2. Step 2: Convert to fraction form
    166,581/249,897.47 = 54,234.70/x
  3. Step 3: Cross multiply
    166,581x = 249,897.47 × 54,234.70
  4. Step 4: Simplify right side
    166,581x = 13,553,113,420.29
  5. Step 5: Solve for x
    x = 13,553,113,420.29/166,581
  6. Step 6: Final answer
    x = 81,360.50

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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.