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Finding the Fourth Proportional to 291,876.75, 437,818.77 and 104,888.25

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Solution

The fourth proportional to 291,876.75, 437,818.77 and 104,888.25 is: 157,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,876.75 : 437,818.77 = 104,888.25 : x
  2. Step 2: Convert to fraction form
    291,876.75/437,818.77 = 104,888.25/x
  3. Step 3: Cross multiply
    291,876.75x = 437,818.77 × 104,888.25
  4. Step 4: Simplify right side
    291,876.75x = 45,922,044,602.45
  5. Step 5: Solve for x
    x = 45,922,044,602.45/291,876.75
  6. Step 6: Final answer
    x = 157,333.68

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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.