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Finding the Fourth Proportional to 239,141.98, 358,588.41 and 89,259

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Solution

The fourth proportional to 239,141.98, 358,588.41 and 89,259 is: 133,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,141.98 : 358,588.41 = 89,259 : x
  2. Step 2: Convert to fraction form
    239,141.98/358,588.41 = 89,259/x
  3. Step 3: Cross multiply
    239,141.98x = 358,588.41 × 89,259
  4. Step 4: Simplify right side
    239,141.98x = 32,007,242,888.19
  5. Step 5: Solve for x
    x = 32,007,242,888.19/239,141.98
  6. Step 6: Final answer
    x = 133,842.01

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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.