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Finding the Fourth Proportional to 292,830.88, 404,106.96 and 158,694.88

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Solution

The fourth proportional to 292,830.88, 404,106.96 and 158,694.88 is: 218,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,830.88 : 404,106.96 = 158,694.88 : x
  2. Step 2: Convert to fraction form
    292,830.88/404,106.96 = 158,694.88/x
  3. Step 3: Cross multiply
    292,830.88x = 404,106.96 × 158,694.88
  4. Step 4: Simplify right side
    292,830.88x = 64,129,705,524.36
  5. Step 5: Solve for x
    x = 64,129,705,524.36/292,830.88
  6. Step 6: Final answer
    x = 218,999.12

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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.