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Finding the Fourth Proportional to 73,123.32, 100,945.26 and 46,278.84

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Solution

The fourth proportional to 73,123.32, 100,945.26 and 46,278.84 is: 63,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123.32 : 100,945.26 = 46,278.84 : x
  2. Step 2: Convert to fraction form
    73,123.32/100,945.26 = 46,278.84/x
  3. Step 3: Cross multiply
    73,123.32x = 100,945.26 × 46,278.84
  4. Step 4: Simplify right side
    73,123.32x = 4,671,629,536.30
  5. Step 5: Solve for x
    x = 4,671,629,536.30/73,123.32
  6. Step 6: Final answer
    x = 63,887.00

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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.