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Finding the Fourth Proportional to 202,076.70, 302,920.65 and 157,073.10

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Solution

The fourth proportional to 202,076.70, 302,920.65 and 157,073.10 is: 235,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,076.70 : 302,920.65 = 157,073.10 : x
  2. Step 2: Convert to fraction form
    202,076.70/302,920.65 = 157,073.10/x
  3. Step 3: Cross multiply
    202,076.70x = 302,920.65 × 157,073.10
  4. Step 4: Simplify right side
    202,076.70x = 47,580,685,549.52
  5. Step 5: Solve for x
    x = 47,580,685,549.52/202,076.70
  6. Step 6: Final answer
    x = 235,458.54

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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.