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Finding the Fourth Proportional to 159,841.15, 239,705.29 and 53,196.28

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Solution

The fourth proportional to 159,841.15, 239,705.29 and 53,196.28 is: 79,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,841.15 : 239,705.29 = 53,196.28 : x
  2. Step 2: Convert to fraction form
    159,841.15/239,705.29 = 53,196.28/x
  3. Step 3: Cross multiply
    159,841.15x = 239,705.29 × 53,196.28
  4. Step 4: Simplify right side
    159,841.15x = 12,751,428,259.81
  5. Step 5: Solve for x
    x = 12,751,428,259.81/159,841.15
  6. Step 6: Final answer
    x = 79,775.63

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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.