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Finding the Fourth Proportional to 159,009.40, 238,514.10 and 103,022.20

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Solution

The fourth proportional to 159,009.40, 238,514.10 and 103,022.20 is: 154,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,009.40 : 238,514.10 = 103,022.20 : x
  2. Step 2: Convert to fraction form
    159,009.40/238,514.10 = 103,022.20/x
  3. Step 3: Cross multiply
    159,009.40x = 238,514.10 × 103,022.20
  4. Step 4: Simplify right side
    159,009.40x = 24,572,247,313.02
  5. Step 5: Solve for x
    x = 24,572,247,313.02/159,009.40
  6. Step 6: Final answer
    x = 154,533.30

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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.