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Finding the Fourth Proportional to 292,029.93, 437,978.84 and 134,106.57

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Solution

The fourth proportional to 292,029.93, 437,978.84 and 134,106.57 is: 201,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,029.93 : 437,978.84 = 134,106.57 : x
  2. Step 2: Convert to fraction form
    292,029.93/437,978.84 = 134,106.57/x
  3. Step 3: Cross multiply
    292,029.93x = 437,978.84 × 134,106.57
  4. Step 4: Simplify right side
    292,029.93x = 58,735,839,294.45
  5. Step 5: Solve for x
    x = 58,735,839,294.45/292,029.93
  6. Step 6: Final answer
    x = 201,129.52

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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.