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Finding the Fourth Proportional to 121,693.62, 182,557.74 and 37,460.81

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Solution

The fourth proportional to 121,693.62, 182,557.74 and 37,460.81 is: 56,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,693.62 : 182,557.74 = 37,460.81 : x
  2. Step 2: Convert to fraction form
    121,693.62/182,557.74 = 37,460.81/x
  3. Step 3: Cross multiply
    121,693.62x = 182,557.74 × 37,460.81
  4. Step 4: Simplify right side
    121,693.62x = 6,838,760,812.17
  5. Step 5: Solve for x
    x = 6,838,760,812.17/121,693.62
  6. Step 6: Final answer
    x = 56,196.54

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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.