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Finding the Fourth Proportional to 65,152.60, 97,728.90 and 44,416.60

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Solution

The fourth proportional to 65,152.60, 97,728.90 and 44,416.60 is: 66,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,152.60 : 97,728.90 = 44,416.60 : x
  2. Step 2: Convert to fraction form
    65,152.60/97,728.90 = 44,416.60/x
  3. Step 3: Cross multiply
    65,152.60x = 97,728.90 × 44,416.60
  4. Step 4: Simplify right side
    65,152.60x = 4,340,785,459.74
  5. Step 5: Solve for x
    x = 4,340,785,459.74/65,152.60
  6. Step 6: Final answer
    x = 66,624.90

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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.