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Finding the Fourth Proportional to 291,602.16, 437,221.32 and 123,035.76

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Solution

The fourth proportional to 291,602.16, 437,221.32 and 123,035.76 is: 184,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,602.16 : 437,221.32 = 123,035.76 : x
  2. Step 2: Convert to fraction form
    291,602.16/437,221.32 = 123,035.76/x
  3. Step 3: Cross multiply
    291,602.16x = 437,221.32 × 123,035.76
  4. Step 4: Simplify right side
    291,602.16x = 53,793,857,394.40
  5. Step 5: Solve for x
    x = 53,793,857,394.40/291,602.16
  6. Step 6: Final answer
    x = 184,476.88

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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.