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Finding the Fourth Proportional to 181,438.30, 270,798.10 and 178,445.10

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Solution

The fourth proportional to 181,438.30, 270,798.10 and 178,445.10 is: 266,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,438.30 : 270,798.10 = 178,445.10 : x
  2. Step 2: Convert to fraction form
    181,438.30/270,798.10 = 178,445.10/x
  3. Step 3: Cross multiply
    181,438.30x = 270,798.10 × 178,445.10
  4. Step 4: Simplify right side
    181,438.30x = 48,322,594,949.83
  5. Step 5: Solve for x
    x = 48,322,594,949.83/181,438.30
  6. Step 6: Final answer
    x = 266,330.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.