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Finding the Fourth Proportional to 181,546, 272,135.07 and 91,316.08

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Solution

The fourth proportional to 181,546, 272,135.07 and 91,316.08 is: 136,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,546 : 272,135.07 = 91,316.08 : x
  2. Step 2: Convert to fraction form
    181,546/272,135.07 = 91,316.08/x
  3. Step 3: Cross multiply
    181,546x = 272,135.07 × 91,316.08
  4. Step 4: Simplify right side
    181,546x = 24,850,307,822.93
  5. Step 5: Solve for x
    x = 24,850,307,822.93/181,546
  6. Step 6: Final answer
    x = 136,881.60

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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.