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Finding the Fourth Proportional to 91,962.60, 137,960.10 and 32,832.60

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Solution

The fourth proportional to 91,962.60, 137,960.10 and 32,832.60 is: 49,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,962.60 : 137,960.10 = 32,832.60 : x
  2. Step 2: Convert to fraction form
    91,962.60/137,960.10 = 32,832.60/x
  3. Step 3: Cross multiply
    91,962.60x = 137,960.10 × 32,832.60
  4. Step 4: Simplify right side
    91,962.60x = 4,529,588,779.26
  5. Step 5: Solve for x
    x = 4,529,588,779.26/91,962.60
  6. Step 6: Final answer
    x = 49,254.68

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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.