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Finding the Fourth Proportional to 209,065.02, 313,642.08 and 59,351.10

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Solution

The fourth proportional to 209,065.02, 313,642.08 and 59,351.10 is: 89,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,065.02 : 313,642.08 = 59,351.10 : x
  2. Step 2: Convert to fraction form
    209,065.02/313,642.08 = 59,351.10/x
  3. Step 3: Cross multiply
    209,065.02x = 313,642.08 × 59,351.10
  4. Step 4: Simplify right side
    209,065.02x = 18,615,002,454.29
  5. Step 5: Solve for x
    x = 18,615,002,454.29/209,065.02
  6. Step 6: Final answer
    x = 89,039.30

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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.