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Finding the Fourth Proportional to 103,677.78, 155,484.27 and 33,542.58

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Solution

The fourth proportional to 103,677.78, 155,484.27 and 33,542.58 is: 50,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,677.78 : 155,484.27 = 33,542.58 : x
  2. Step 2: Convert to fraction form
    103,677.78/155,484.27 = 33,542.58/x
  3. Step 3: Cross multiply
    103,677.78x = 155,484.27 × 33,542.58
  4. Step 4: Simplify right side
    103,677.78x = 5,215,343,565.22
  5. Step 5: Solve for x
    x = 5,215,343,565.22/103,677.78
  6. Step 6: Final answer
    x = 50,303.39

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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.