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Finding the Fourth Proportional to 151,035.01, 208,458.50 and 115,160.92

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Solution

The fourth proportional to 151,035.01, 208,458.50 and 115,160.92 is: 158,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,035.01 : 208,458.50 = 115,160.92 : x
  2. Step 2: Convert to fraction form
    151,035.01/208,458.50 = 115,160.92/x
  3. Step 3: Cross multiply
    151,035.01x = 208,458.50 × 115,160.92
  4. Step 4: Simplify right side
    151,035.01x = 24,006,271,023.72
  5. Step 5: Solve for x
    x = 24,006,271,023.72/151,035.01
  6. Step 6: Final answer
    x = 158,945.08

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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.