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Finding the Fourth Proportional to 228,074.76, 314,737.62 and 126,097.58

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Solution

The fourth proportional to 228,074.76, 314,737.62 and 126,097.58 is: 174,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,074.76 : 314,737.62 = 126,097.58 : x
  2. Step 2: Convert to fraction form
    228,074.76/314,737.62 = 126,097.58/x
  3. Step 3: Cross multiply
    228,074.76x = 314,737.62 × 126,097.58
  4. Step 4: Simplify right side
    228,074.76x = 39,687,652,530.94
  5. Step 5: Solve for x
    x = 39,687,652,530.94/228,074.76
  6. Step 6: Final answer
    x = 174,011.59

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1.5x scale

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.