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Finding the Fourth Proportional to 195,699.48, 293,551.95 and 55,458.11

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Solution

The fourth proportional to 195,699.48, 293,551.95 and 55,458.11 is: 83,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,699.48 : 293,551.95 = 55,458.11 : x
  2. Step 2: Convert to fraction form
    195,699.48/293,551.95 = 55,458.11/x
  3. Step 3: Cross multiply
    195,699.48x = 293,551.95 × 55,458.11
  4. Step 4: Simplify right side
    195,699.48x = 16,279,836,333.81
  5. Step 5: Solve for x
    x = 16,279,836,333.81/195,699.48
  6. Step 6: Final answer
    x = 83,187.94

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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.