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Finding the Fourth Proportional to 292,165.56, 403,188.30 and 158,029.56

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Solution

The fourth proportional to 292,165.56, 403,188.30 and 158,029.56 is: 218,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,165.56 : 403,188.30 = 158,029.56 : x
  2. Step 2: Convert to fraction form
    292,165.56/403,188.30 = 158,029.56/x
  3. Step 3: Cross multiply
    292,165.56x = 403,188.30 × 158,029.56
  4. Step 4: Simplify right side
    292,165.56x = 63,715,669,646.15
  5. Step 5: Solve for x
    x = 63,715,669,646.15/292,165.56
  6. Step 6: Final answer
    x = 218,080.70

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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.