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Finding the Fourth Proportional to 302,802.64, 454,270.47 and 89,553.93

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Solution

The fourth proportional to 302,802.64, 454,270.47 and 89,553.93 is: 134,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,802.64 : 454,270.47 = 89,553.93 : x
  2. Step 2: Convert to fraction form
    302,802.64/454,270.47 = 89,553.93/x
  3. Step 3: Cross multiply
    302,802.64x = 454,270.47 × 89,553.93
  4. Step 4: Simplify right side
    302,802.64x = 40,681,705,871.45
  5. Step 5: Solve for x
    x = 40,681,705,871.45/302,802.64
  6. Step 6: Final answer
    x = 134,350.56

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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.