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Finding the Fourth Proportional to 370,005.84, 555,008.78 and 89,523.08

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Solution

The fourth proportional to 370,005.84, 555,008.78 and 89,523.08 is: 134,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,005.84 : 555,008.78 = 89,523.08 : x
  2. Step 2: Convert to fraction form
    370,005.84/555,008.78 = 89,523.08/x
  3. Step 3: Cross multiply
    370,005.84x = 555,008.78 × 89,523.08
  4. Step 4: Simplify right side
    370,005.84x = 49,686,095,412.64
  5. Step 5: Solve for x
    x = 49,686,095,412.64/370,005.84
  6. Step 6: Final answer
    x = 134,284.62

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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.