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Finding the Fourth Proportional to 78,150.48, 107,835.48 and 46,314.24

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Solution

The fourth proportional to 78,150.48, 107,835.48 and 46,314.24 is: 63,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,150.48 : 107,835.48 = 46,314.24 : x
  2. Step 2: Convert to fraction form
    78,150.48/107,835.48 = 46,314.24/x
  3. Step 3: Cross multiply
    78,150.48x = 107,835.48 × 46,314.24
  4. Step 4: Simplify right side
    78,150.48x = 4,994,318,301.24
  5. Step 5: Solve for x
    x = 4,994,318,301.24/78,150.48
  6. Step 6: Final answer
    x = 63,906.43

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1.5x scale

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.