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Finding the Fourth Proportional to 61,657.70, 92,486.55 and 32,133.20

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Solution

The fourth proportional to 61,657.70, 92,486.55 and 32,133.20 is: 48,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.70 : 92,486.55 = 32,133.20 : x
  2. Step 2: Convert to fraction form
    61,657.70/92,486.55 = 32,133.20/x
  3. Step 3: Cross multiply
    61,657.70x = 92,486.55 × 32,133.20
  4. Step 4: Simplify right side
    61,657.70x = 2,971,888,808.46
  5. Step 5: Solve for x
    x = 2,971,888,808.46/61,657.70
  6. Step 6: Final answer
    x = 48,199.80

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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.