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Finding the Fourth Proportional to 215,387.01, 297,229.14 and 134,858.93

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Solution

The fourth proportional to 215,387.01, 297,229.14 and 134,858.93 is: 186,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,387.01 : 297,229.14 = 134,858.93 : x
  2. Step 2: Convert to fraction form
    215,387.01/297,229.14 = 134,858.93/x
  3. Step 3: Cross multiply
    215,387.01x = 297,229.14 × 134,858.93
  4. Step 4: Simplify right side
    215,387.01x = 40,084,003,785.22
  5. Step 5: Solve for x
    x = 40,084,003,785.22/215,387.01
  6. Step 6: Final answer
    x = 186,102.23

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