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Finding the Fourth Proportional to 166,618.20, 249,927.30 and 148,247.40

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Solution

The fourth proportional to 166,618.20, 249,927.30 and 148,247.40 is: 222,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,618.20 : 249,927.30 = 148,247.40 : x
  2. Step 2: Convert to fraction form
    166,618.20/249,927.30 = 148,247.40/x
  3. Step 3: Cross multiply
    166,618.20x = 249,927.30 × 148,247.40
  4. Step 4: Simplify right side
    166,618.20x = 37,051,072,414.02
  5. Step 5: Solve for x
    x = 37,051,072,414.02/166,618.20
  6. Step 6: Final answer
    x = 222,371.10

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1.5x scale

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.