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Finding the Fourth Proportional to 101,357.57, 139,867.44 and 56,032.84

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Solution

The fourth proportional to 101,357.57, 139,867.44 and 56,032.84 is: 77,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,357.57 : 139,867.44 = 56,032.84 : x
  2. Step 2: Convert to fraction form
    101,357.57/139,867.44 = 56,032.84/x
  3. Step 3: Cross multiply
    101,357.57x = 139,867.44 × 56,032.84
  4. Step 4: Simplify right side
    101,357.57x = 7,837,169,886.73
  5. Step 5: Solve for x
    x = 7,837,169,886.73/101,357.57
  6. Step 6: Final answer
    x = 77,322.00

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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.