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Finding the Fourth Proportional to 239,041.80, 358,480.08 and 106,015.10

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Solution

The fourth proportional to 239,041.80, 358,480.08 and 106,015.10 is: 158,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,041.80 : 358,480.08 = 106,015.10 : x
  2. Step 2: Convert to fraction form
    239,041.80/358,480.08 = 106,015.10/x
  3. Step 3: Cross multiply
    239,041.80x = 358,480.08 × 106,015.10
  4. Step 4: Simplify right side
    239,041.80x = 38,004,299,736.81
  5. Step 5: Solve for x
    x = 38,004,299,736.81/239,041.80
  6. Step 6: Final answer
    x = 158,986.00

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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.