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Finding the Fourth Proportional to 292,893.50, 404,193.30 and 158,757.50

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Solution

The fourth proportional to 292,893.50, 404,193.30 and 158,757.50 is: 219,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,893.50 : 404,193.30 = 158,757.50 : x
  2. Step 2: Convert to fraction form
    292,893.50/404,193.30 = 158,757.50/x
  3. Step 3: Cross multiply
    292,893.50x = 404,193.30 × 158,757.50
  4. Step 4: Simplify right side
    292,893.50x = 64,168,717,824.75
  5. Step 5: Solve for x
    x = 64,168,717,824.75/292,893.50
  6. Step 6: Final answer
    x = 219,085.50

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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.