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Finding the Fourth Proportional to 92,090.68, 127,096.40 and 51,806.16

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Solution

The fourth proportional to 92,090.68, 127,096.40 and 51,806.16 is: 71,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,090.68 : 127,096.40 = 51,806.16 : x
  2. Step 2: Convert to fraction form
    92,090.68/127,096.40 = 51,806.16/x
  3. Step 3: Cross multiply
    92,090.68x = 127,096.40 × 51,806.16
  4. Step 4: Simplify right side
    92,090.68x = 6,584,376,433.82
  5. Step 5: Solve for x
    x = 6,584,376,433.82/92,090.68
  6. Step 6: Final answer
    x = 71,498.84

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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.