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Finding the Fourth Proportional to 116,371.60, 174,643.80 and 46,301.20

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Solution

The fourth proportional to 116,371.60, 174,643.80 and 46,301.20 is: 69,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,371.60 : 174,643.80 = 46,301.20 : x
  2. Step 2: Convert to fraction form
    116,371.60/174,643.80 = 46,301.20/x
  3. Step 3: Cross multiply
    116,371.60x = 174,643.80 × 46,301.20
  4. Step 4: Simplify right side
    116,371.60x = 8,086,217,512.56
  5. Step 5: Solve for x
    x = 8,086,217,512.56/116,371.60
  6. Step 6: Final answer
    x = 69,486.18

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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.