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Finding the Fourth Proportional to 302,783.69, 454,264.35 and 89,557.22

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Solution

The fourth proportional to 302,783.69, 454,264.35 and 89,557.22 is: 134,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,783.69 : 454,264.35 = 89,557.22 : x
  2. Step 2: Convert to fraction form
    302,783.69/454,264.35 = 89,557.22/x
  3. Step 3: Cross multiply
    302,783.69x = 454,264.35 × 89,557.22
  4. Step 4: Simplify right side
    302,783.69x = 40,682,652,331.11
  5. Step 5: Solve for x
    x = 40,682,652,331.11/302,783.69
  6. Step 6: Final answer
    x = 134,362.10

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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.