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Finding the Fourth Proportional to 104,307.51, 156,398.78 and 33,199.43

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Solution

The fourth proportional to 104,307.51, 156,398.78 and 33,199.43 is: 49,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,307.51 : 156,398.78 = 33,199.43 : x
  2. Step 2: Convert to fraction form
    104,307.51/156,398.78 = 33,199.43/x
  3. Step 3: Cross multiply
    104,307.51x = 156,398.78 × 33,199.43
  4. Step 4: Simplify right side
    104,307.51x = 5,192,350,822.69
  5. Step 5: Solve for x
    x = 5,192,350,822.69/104,307.51
  6. Step 6: Final answer
    x = 49,779.26

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1.5x scale

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.