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Finding the Fourth Proportional to 370,210.56, 555,315.90 and 89,727.84

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Solution

The fourth proportional to 370,210.56, 555,315.90 and 89,727.84 is: 134,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,210.56 : 555,315.90 = 89,727.84 : x
  2. Step 2: Convert to fraction form
    370,210.56/555,315.90 = 89,727.84/x
  3. Step 3: Cross multiply
    370,210.56x = 555,315.90 × 89,727.84
  4. Step 4: Simplify right side
    370,210.56x = 49,827,296,224.66
  5. Step 5: Solve for x
    x = 49,827,296,224.66/370,210.56
  6. Step 6: Final answer
    x = 134,591.77

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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.