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Finding the Fourth Proportional to 292,069.88, 403,056.45 and 157,933.88

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Solution

The fourth proportional to 292,069.88, 403,056.45 and 157,933.88 is: 217,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,069.88 : 403,056.45 = 157,933.88 : x
  2. Step 2: Convert to fraction form
    292,069.88/403,056.45 = 157,933.88/x
  3. Step 3: Cross multiply
    292,069.88x = 403,056.45 × 157,933.88
  4. Step 4: Simplify right side
    292,069.88x = 63,656,266,992.24
  5. Step 5: Solve for x
    x = 63,656,266,992.24/292,069.88
  6. Step 6: Final answer
    x = 217,948.76

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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.