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Finding the Fourth Proportional to 228,404.88, 315,189.96 and 127,802.96

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Solution

The fourth proportional to 228,404.88, 315,189.96 and 127,802.96 is: 176,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,404.88 : 315,189.96 = 127,802.96 : x
  2. Step 2: Convert to fraction form
    228,404.88/315,189.96 = 127,802.96/x
  3. Step 3: Cross multiply
    228,404.88x = 315,189.96 × 127,802.96
  4. Step 4: Simplify right side
    228,404.88x = 40,282,209,850.28
  5. Step 5: Solve for x
    x = 40,282,209,850.28/228,404.88
  6. Step 6: Final answer
    x = 176,363.18

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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.