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Finding the Fourth Proportional to 65,281.95, 97,929 and 23,157.90

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Solution

The fourth proportional to 65,281.95, 97,929 and 23,157.90 is: 34,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,281.95 : 97,929 = 23,157.90 : x
  2. Step 2: Convert to fraction form
    65,281.95/97,929 = 23,157.90/x
  3. Step 3: Cross multiply
    65,281.95x = 97,929 × 23,157.90
  4. Step 4: Simplify right side
    65,281.95x = 2,267,829,989.10
  5. Step 5: Solve for x
    x = 2,267,829,989.10/65,281.95
  6. Step 6: Final answer
    x = 34,739.01

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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.