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Finding the Fourth Proportional to 292,767.06, 404,018.64 and 158,631.06

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Solution

The fourth proportional to 292,767.06, 404,018.64 and 158,631.06 is: 218,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,767.06 : 404,018.64 = 158,631.06 : x
  2. Step 2: Convert to fraction form
    292,767.06/404,018.64 = 158,631.06/x
  3. Step 3: Cross multiply
    292,767.06x = 404,018.64 × 158,631.06
  4. Step 4: Simplify right side
    292,767.06x = 64,089,905,122.96
  5. Step 5: Solve for x
    x = 64,089,905,122.96/292,767.06
  6. Step 6: Final answer
    x = 218,910.92

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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.