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Finding the Fourth Proportional to 184,663.26, 254,835.18 and 99,780.12

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Solution

The fourth proportional to 184,663.26, 254,835.18 and 99,780.12 is: 137,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,663.26 : 254,835.18 = 99,780.12 : x
  2. Step 2: Convert to fraction form
    184,663.26/254,835.18 = 99,780.12/x
  3. Step 3: Cross multiply
    184,663.26x = 254,835.18 × 99,780.12
  4. Step 4: Simplify right side
    184,663.26x = 25,427,484,840.62
  5. Step 5: Solve for x
    x = 25,427,484,840.62/184,663.26
  6. Step 6: Final answer
    x = 137,696.50

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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.