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Finding the Fourth Proportional to 92,611.71, 127,804.50 and 50,170.14

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Solution

The fourth proportional to 92,611.71, 127,804.50 and 50,170.14 is: 69,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,611.71 : 127,804.50 = 50,170.14 : x
  2. Step 2: Convert to fraction form
    92,611.71/127,804.50 = 50,170.14/x
  3. Step 3: Cross multiply
    92,611.71x = 127,804.50 × 50,170.14
  4. Step 4: Simplify right side
    92,611.71x = 6,411,969,657.63
  5. Step 5: Solve for x
    x = 6,411,969,657.63/92,611.71
  6. Step 6: Final answer
    x = 69,234.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.