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Finding the Fourth Proportional to 247,565.16, 371,362.32 and 70,057.44

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Solution

The fourth proportional to 247,565.16, 371,362.32 and 70,057.44 is: 105,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,565.16 : 371,362.32 = 70,057.44 : x
  2. Step 2: Convert to fraction form
    247,565.16/371,362.32 = 70,057.44/x
  3. Step 3: Cross multiply
    247,565.16x = 371,362.32 × 70,057.44
  4. Step 4: Simplify right side
    247,565.16x = 26,016,693,451.66
  5. Step 5: Solve for x
    x = 26,016,693,451.66/247,565.16
  6. Step 6: Final answer
    x = 105,090.29

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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.