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Finding the Fourth Proportional to 169,639.30, 254,458.95 and 148,903.30

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Solution

The fourth proportional to 169,639.30, 254,458.95 and 148,903.30 is: 223,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,639.30 : 254,458.95 = 148,903.30 : x
  2. Step 2: Convert to fraction form
    169,639.30/254,458.95 = 148,903.30/x
  3. Step 3: Cross multiply
    169,639.30x = 254,458.95 × 148,903.30
  4. Step 4: Simplify right side
    169,639.30x = 37,889,777,369.54
  5. Step 5: Solve for x
    x = 37,889,777,369.54/169,639.30
  6. Step 6: Final answer
    x = 223,354.95

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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.