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Finding the Fourth Proportional to 65,207.80, 97,787.40 and 23,071.60

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Solution

The fourth proportional to 65,207.80, 97,787.40 and 23,071.60 is: 34,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207.80 : 97,787.40 = 23,071.60 : x
  2. Step 2: Convert to fraction form
    65,207.80/97,787.40 = 23,071.60/x
  3. Step 3: Cross multiply
    65,207.80x = 97,787.40 × 23,071.60
  4. Step 4: Simplify right side
    65,207.80x = 2,256,111,777.84
  5. Step 5: Solve for x
    x = 2,256,111,777.84/65,207.80
  6. Step 6: Final answer
    x = 34,598.80

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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.