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Finding the Fourth Proportional to 133,402.77, 200,104.16 and 63,243.81

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Solution

The fourth proportional to 133,402.77, 200,104.16 and 63,243.81 is: 94,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,402.77 : 200,104.16 = 63,243.81 : x
  2. Step 2: Convert to fraction form
    133,402.77/200,104.16 = 63,243.81/x
  3. Step 3: Cross multiply
    133,402.77x = 200,104.16 × 63,243.81
  4. Step 4: Simplify right side
    133,402.77x = 12,655,349,159.03
  5. Step 5: Solve for x
    x = 12,655,349,159.03/133,402.77
  6. Step 6: Final answer
    x = 94,865.72

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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.