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Finding the Fourth Proportional to 291,755.94, 437,806.08 and 123,265.32

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Solution

The fourth proportional to 291,755.94, 437,806.08 and 123,265.32 is: 184,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,755.94 : 437,806.08 = 123,265.32 : x
  2. Step 2: Convert to fraction form
    291,755.94/437,806.08 = 123,265.32/x
  3. Step 3: Cross multiply
    291,755.94x = 437,806.08 × 123,265.32
  4. Step 4: Simplify right side
    291,755.94x = 53,966,306,549.15
  5. Step 5: Solve for x
    x = 53,966,306,549.15/291,755.94
  6. Step 6: Final answer
    x = 184,970.72

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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.