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Finding the Fourth Proportional to 65,064.60, 97,815.60 and 55,441.80

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Solution

The fourth proportional to 65,064.60, 97,815.60 and 55,441.80 is: 83,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,064.60 : 97,815.60 = 55,441.80 : x
  2. Step 2: Convert to fraction form
    65,064.60/97,815.60 = 55,441.80/x
  3. Step 3: Cross multiply
    65,064.60x = 97,815.60 × 55,441.80
  4. Step 4: Simplify right side
    65,064.60x = 5,423,072,932.08
  5. Step 5: Solve for x
    x = 5,423,072,932.08/65,064.60
  6. Step 6: Final answer
    x = 83,349.06

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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.