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Finding the Fourth Proportional to 228,085.50, 314,757.93 and 124,719.96

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Solution

The fourth proportional to 228,085.50, 314,757.93 and 124,719.96 is: 172,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,085.50 : 314,757.93 = 124,719.96 : x
  2. Step 2: Convert to fraction form
    228,085.50/314,757.93 = 124,719.96/x
  3. Step 3: Cross multiply
    228,085.50x = 314,757.93 × 124,719.96
  4. Step 4: Simplify right side
    228,085.50x = 39,256,596,439.28
  5. Step 5: Solve for x
    x = 39,256,596,439.28/228,085.50
  6. Step 6: Final answer
    x = 172,113.51

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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.