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Finding the Fourth Proportional to 133,818.95, 184,670.13 and 74,202.95

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Solution

The fourth proportional to 133,818.95, 184,670.13 and 74,202.95 is: 102,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,818.95 : 184,670.13 = 74,202.95 : x
  2. Step 2: Convert to fraction form
    133,818.95/184,670.13 = 74,202.95/x
  3. Step 3: Cross multiply
    133,818.95x = 184,670.13 × 74,202.95
  4. Step 4: Simplify right side
    133,818.95x = 13,703,067,499.53
  5. Step 5: Solve for x
    x = 13,703,067,499.53/133,818.95
  6. Step 6: Final answer
    x = 102,400.06

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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.