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Finding the Fourth Proportional to 64,145.99, 95,749.26 and 56,570.95

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Solution

The fourth proportional to 64,145.99, 95,749.26 and 56,570.95 is: 84,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.99 : 95,749.26 = 56,570.95 : x
  2. Step 2: Convert to fraction form
    64,145.99/95,749.26 = 56,570.95/x
  3. Step 3: Cross multiply
    64,145.99x = 95,749.26 × 56,570.95
  4. Step 4: Simplify right side
    64,145.99x = 5,416,626,600.00
  5. Step 5: Solve for x
    x = 5,416,626,600.00/64,145.99
  6. Step 6: Final answer
    x = 84,442.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.