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Finding the Fourth Proportional to 567,877.23, 851,805.72 and 168,787.80

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Solution

The fourth proportional to 567,877.23, 851,805.72 and 168,787.80 is: 253,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,877.23 : 851,805.72 = 168,787.80 : x
  2. Step 2: Convert to fraction form
    567,877.23/851,805.72 = 168,787.80/x
  3. Step 3: Cross multiply
    567,877.23x = 851,805.72 × 168,787.80
  4. Step 4: Simplify right side
    567,877.23x = 143,774,413,506.22
  5. Step 5: Solve for x
    x = 143,774,413,506.22/567,877.23
  6. Step 6: Final answer
    x = 253,178.69

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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.