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Finding the Fourth Proportional to 133,654.88, 184,436.88 and 77,062.88

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Solution

The fourth proportional to 133,654.88, 184,436.88 and 77,062.88 is: 106,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,654.88 : 184,436.88 = 77,062.88 : x
  2. Step 2: Convert to fraction form
    133,654.88/184,436.88 = 77,062.88/x
  3. Step 3: Cross multiply
    133,654.88x = 184,436.88 × 77,062.88
  4. Step 4: Simplify right side
    133,654.88x = 14,213,237,151.01
  5. Step 5: Solve for x
    x = 14,213,237,151.01/133,654.88
  6. Step 6: Final answer
    x = 106,342.82

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1.5x scale

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.