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Finding the Fourth Proportional to 292,759.16, 438,799.89 and 134,655.80

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Solution

The fourth proportional to 292,759.16, 438,799.89 and 134,655.80 is: 201,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,759.16 : 438,799.89 = 134,655.80 : x
  2. Step 2: Convert to fraction form
    292,759.16/438,799.89 = 134,655.80/x
  3. Step 3: Cross multiply
    292,759.16x = 438,799.89 × 134,655.80
  4. Step 4: Simplify right side
    292,759.16x = 59,086,950,227.86
  5. Step 5: Solve for x
    x = 59,086,950,227.86/292,759.16
  6. Step 6: Final answer
    x = 201,827.84

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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.