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Finding the Fourth Proportional to 230,878.70, 346,318.05 and 125,902.70

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Solution

The fourth proportional to 230,878.70, 346,318.05 and 125,902.70 is: 188,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,878.70 : 346,318.05 = 125,902.70 : x
  2. Step 2: Convert to fraction form
    230,878.70/346,318.05 = 125,902.70/x
  3. Step 3: Cross multiply
    230,878.70x = 346,318.05 × 125,902.70
  4. Step 4: Simplify right side
    230,878.70x = 43,602,377,553.74
  5. Step 5: Solve for x
    x = 43,602,377,553.74/230,878.70
  6. Step 6: Final answer
    x = 188,854.05

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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.