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Finding the Fourth Proportional to 228,594.82, 315,465.96 and 130,476.10

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Solution

The fourth proportional to 228,594.82, 315,465.96 and 130,476.10 is: 180,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,594.82 : 315,465.96 = 130,476.10 : x
  2. Step 2: Convert to fraction form
    228,594.82/315,465.96 = 130,476.10/x
  3. Step 3: Cross multiply
    228,594.82x = 315,465.96 × 130,476.10
  4. Step 4: Simplify right side
    228,594.82x = 41,160,768,143.56
  5. Step 5: Solve for x
    x = 41,160,768,143.56/228,594.82
  6. Step 6: Final answer
    x = 180,059.93

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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.