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Finding the Fourth Proportional to 123,335.55, 184,970.90 and 53,199.27

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Solution

The fourth proportional to 123,335.55, 184,970.90 and 53,199.27 is: 79,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,335.55 : 184,970.90 = 53,199.27 : x
  2. Step 2: Convert to fraction form
    123,335.55/184,970.90 = 53,199.27/x
  3. Step 3: Cross multiply
    123,335.55x = 184,970.90 × 53,199.27
  4. Step 4: Simplify right side
    123,335.55x = 9,840,316,585.25
  5. Step 5: Solve for x
    x = 9,840,316,585.25/123,335.55
  6. Step 6: Final answer
    x = 79,784.92

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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.