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Finding the Fourth Proportional to 228,327.95, 342,451.82 and 70,557.77

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Solution

The fourth proportional to 228,327.95, 342,451.82 and 70,557.77 is: 105,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327.95 : 342,451.82 = 70,557.77 : x
  2. Step 2: Convert to fraction form
    228,327.95/342,451.82 = 70,557.77/x
  3. Step 3: Cross multiply
    228,327.95x = 342,451.82 × 70,557.77
  4. Step 4: Simplify right side
    228,327.95x = 24,162,634,686.59
  5. Step 5: Solve for x
    x = 24,162,634,686.59/228,327.95
  6. Step 6: Final answer
    x = 105,824.26

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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.