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Finding the Fourth Proportional to 302,061.30, 453,102.07 and 91,698.63

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Solution

The fourth proportional to 302,061.30, 453,102.07 and 91,698.63 is: 137,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,061.30 : 453,102.07 = 91,698.63 : x
  2. Step 2: Convert to fraction form
    302,061.30/453,102.07 = 91,698.63/x
  3. Step 3: Cross multiply
    302,061.30x = 453,102.07 × 91,698.63
  4. Step 4: Simplify right side
    302,061.30x = 41,548,839,069.16
  5. Step 5: Solve for x
    x = 41,548,839,069.16/302,061.30
  6. Step 6: Final answer
    x = 137,551.02

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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.