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Finding the Fourth Proportional to 292,662.50, 438,983.96 and 124,074.37

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Solution

The fourth proportional to 292,662.50, 438,983.96 and 124,074.37 is: 186,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,662.50 : 438,983.96 = 124,074.37 : x
  2. Step 2: Convert to fraction form
    292,662.50/438,983.96 = 124,074.37/x
  3. Step 3: Cross multiply
    292,662.50x = 438,983.96 × 124,074.37
  4. Step 4: Simplify right side
    292,662.50x = 54,466,656,082.19
  5. Step 5: Solve for x
    x = 54,466,656,082.19/292,662.50
  6. Step 6: Final answer
    x = 186,107.40

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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.