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Finding the Fourth Proportional to 166,521, 249,818.64 and 48,201.36

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Solution

The fourth proportional to 166,521, 249,818.64 and 48,201.36 is: 72,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,521 : 249,818.64 = 48,201.36 : x
  2. Step 2: Convert to fraction form
    166,521/249,818.64 = 48,201.36/x
  3. Step 3: Cross multiply
    166,521x = 249,818.64 × 48,201.36
  4. Step 4: Simplify right side
    166,521x = 12,041,598,201.35
  5. Step 5: Solve for x
    x = 12,041,598,201.35/166,521
  6. Step 6: Final answer
    x = 72,312.79

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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.