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Finding the Fourth Proportional to 94,763, 130,766.64 and 52,321.16

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Solution

The fourth proportional to 94,763, 130,766.64 and 52,321.16 is: 72,199.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,763 : 130,766.64 = 52,321.16 : x
  2. Step 2: Convert to fraction form
    94,763/130,766.64 = 52,321.16/x
  3. Step 3: Cross multiply
    94,763x = 130,766.64 × 52,321.16
  4. Step 4: Simplify right side
    94,763x = 6,841,862,294.10
  5. Step 5: Solve for x
    x = 6,841,862,294.10/94,763
  6. Step 6: Final answer
    x = 72,199.72

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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.