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Finding the Fourth Proportional to 292,029.60, 437,916.40 and 134,205.60

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Solution

The fourth proportional to 292,029.60, 437,916.40 and 134,205.60 is: 201,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,029.60 : 437,916.40 = 134,205.60 : x
  2. Step 2: Convert to fraction form
    292,029.60/437,916.40 = 134,205.60/x
  3. Step 3: Cross multiply
    292,029.60x = 437,916.40 × 134,205.60
  4. Step 4: Simplify right side
    292,029.60x = 58,770,833,211.84
  5. Step 5: Solve for x
    x = 58,770,833,211.84/292,029.60
  6. Step 6: Final answer
    x = 201,249.58

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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.