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Finding the Fourth Proportional to 184,121.78, 254,058.53 and 103,549.05

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Solution

The fourth proportional to 184,121.78, 254,058.53 and 103,549.05 is: 142,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,121.78 : 254,058.53 = 103,549.05 : x
  2. Step 2: Convert to fraction form
    184,121.78/254,058.53 = 103,549.05/x
  3. Step 3: Cross multiply
    184,121.78x = 254,058.53 × 103,549.05
  4. Step 4: Simplify right side
    184,121.78x = 26,307,518,908.15
  5. Step 5: Solve for x
    x = 26,307,518,908.15/184,121.78
  6. Step 6: Final answer
    x = 142,881.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.