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Finding the Fourth Proportional to 112,551.81, 168,765.37 and 46,038.63

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Solution

The fourth proportional to 112,551.81, 168,765.37 and 46,038.63 is: 69,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,551.81 : 168,765.37 = 46,038.63 : x
  2. Step 2: Convert to fraction form
    112,551.81/168,765.37 = 46,038.63/x
  3. Step 3: Cross multiply
    112,551.81x = 168,765.37 × 46,038.63
  4. Step 4: Simplify right side
    112,551.81x = 7,769,726,944.02
  5. Step 5: Solve for x
    x = 7,769,726,944.02/112,551.81
  6. Step 6: Final answer
    x = 69,032.45

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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.