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Finding the Fourth Proportional to 65,699.60, 98,403.60 and 56,951.60

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Solution

The fourth proportional to 65,699.60, 98,403.60 and 56,951.60 is: 85,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,699.60 : 98,403.60 = 56,951.60 : x
  2. Step 2: Convert to fraction form
    65,699.60/98,403.60 = 56,951.60/x
  3. Step 3: Cross multiply
    65,699.60x = 98,403.60 × 56,951.60
  4. Step 4: Simplify right side
    65,699.60x = 5,604,242,465.76
  5. Step 5: Solve for x
    x = 5,604,242,465.76/65,699.60
  6. Step 6: Final answer
    x = 85,301.01

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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.