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Finding the Fourth Proportional to 133,093.01, 183,665.95 and 75,731.10

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Solution

The fourth proportional to 133,093.01, 183,665.95 and 75,731.10 is: 104,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,093.01 : 183,665.95 = 75,731.10 : x
  2. Step 2: Convert to fraction form
    133,093.01/183,665.95 = 75,731.10/x
  3. Step 3: Cross multiply
    133,093.01x = 183,665.95 × 75,731.10
  4. Step 4: Simplify right side
    133,093.01x = 13,909,223,547.97
  5. Step 5: Solve for x
    x = 13,909,223,547.97/133,093.01
  6. Step 6: Final answer
    x = 104,507.54

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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.