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Finding the Fourth Proportional to 61,701.60, 92,530.80 and 32,109.60

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Solution

The fourth proportional to 61,701.60, 92,530.80 and 32,109.60 is: 48,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,701.60 : 92,530.80 = 32,109.60 : x
  2. Step 2: Convert to fraction form
    61,701.60/92,530.80 = 32,109.60/x
  3. Step 3: Cross multiply
    61,701.60x = 92,530.80 × 32,109.60
  4. Step 4: Simplify right side
    61,701.60x = 2,971,126,975.68
  5. Step 5: Solve for x
    x = 2,971,126,975.68/61,701.60
  6. Step 6: Final answer
    x = 48,153.16

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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.