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Finding the Fourth Proportional to 292,770.84, 438,817.14 and 134,667.48

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Solution

The fourth proportional to 292,770.84, 438,817.14 and 134,667.48 is: 201,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,770.84 : 438,817.14 = 134,667.48 : x
  2. Step 2: Convert to fraction form
    292,770.84/438,817.14 = 134,667.48/x
  3. Step 3: Cross multiply
    292,770.84x = 438,817.14 × 134,667.48
  4. Step 4: Simplify right side
    292,770.84x = 59,094,398,424.61
  5. Step 5: Solve for x
    x = 59,094,398,424.61/292,770.84
  6. Step 6: Final answer
    x = 201,845.23

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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.