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Finding the Fourth Proportional to 166,551.77, 249,996.54 and 147,697.40

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Solution

The fourth proportional to 166,551.77, 249,996.54 and 147,697.40 is: 221,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,551.77 : 249,996.54 = 147,697.40 : x
  2. Step 2: Convert to fraction form
    166,551.77/249,996.54 = 147,697.40/x
  3. Step 3: Cross multiply
    166,551.77x = 249,996.54 × 147,697.40
  4. Step 4: Simplify right side
    166,551.77x = 36,923,838,967.00
  5. Step 5: Solve for x
    x = 36,923,838,967.00/166,551.77
  6. Step 6: Final answer
    x = 221,695.87

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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.