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Finding the Fourth Proportional to 370,007.84, 555,011.78 and 89,525.08

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Solution

The fourth proportional to 370,007.84, 555,011.78 and 89,525.08 is: 134,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,007.84 : 555,011.78 = 89,525.08 : x
  2. Step 2: Convert to fraction form
    370,007.84/555,011.78 = 89,525.08/x
  3. Step 3: Cross multiply
    370,007.84x = 555,011.78 × 89,525.08
  4. Step 4: Simplify right side
    370,007.84x = 49,687,474,005.44
  5. Step 5: Solve for x
    x = 49,687,474,005.44/370,007.84
  6. Step 6: Final answer
    x = 134,287.62

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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.