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Finding the Fourth Proportional to 101,267.00, 139,756.64 and 55,948.95

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Solution

The fourth proportional to 101,267.00, 139,756.64 and 55,948.95 is: 77,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,267.00 : 139,756.64 = 55,948.95 : x
  2. Step 2: Convert to fraction form
    101,267.00/139,756.64 = 55,948.95/x
  3. Step 3: Cross multiply
    101,267.00x = 139,756.64 × 55,948.95
  4. Step 4: Simplify right side
    101,267.00x = 7,819,236,983.78
  5. Step 5: Solve for x
    x = 7,819,236,983.78/101,267.00
  6. Step 6: Final answer
    x = 77,214.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.