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Finding the Fourth Proportional to 97,165.99, 145,419.77 and 59,749.76

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Solution

The fourth proportional to 97,165.99, 145,419.77 and 59,749.76 is: 89,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,165.99 : 145,419.77 = 59,749.76 : x
  2. Step 2: Convert to fraction form
    97,165.99/145,419.77 = 59,749.76/x
  3. Step 3: Cross multiply
    97,165.99x = 145,419.77 × 59,749.76
  4. Step 4: Simplify right side
    97,165.99x = 8,688,795,629.66
  5. Step 5: Solve for x
    x = 8,688,795,629.66/97,165.99
  6. Step 6: Final answer
    x = 89,422.19

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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.