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Finding the Fourth Proportional to 148,588.08, 222,939 and 89,466

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Solution

The fourth proportional to 148,588.08, 222,939 and 89,466 is: 134,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,588.08 : 222,939 = 89,466 : x
  2. Step 2: Convert to fraction form
    148,588.08/222,939 = 89,466/x
  3. Step 3: Cross multiply
    148,588.08x = 222,939 × 89,466
  4. Step 4: Simplify right side
    148,588.08x = 19,945,460,574
  5. Step 5: Solve for x
    x = 19,945,460,574/148,588.08
  6. Step 6: Final answer
    x = 134,233.25

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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.