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Finding the Fourth Proportional to 84,438, 116,514.36 and 46,707.12

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Solution

The fourth proportional to 84,438, 116,514.36 and 46,707.12 is: 64,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,438 : 116,514.36 = 46,707.12 : x
  2. Step 2: Convert to fraction form
    84,438/116,514.36 = 46,707.12/x
  3. Step 3: Cross multiply
    84,438x = 116,514.36 × 46,707.12
  4. Step 4: Simplify right side
    84,438x = 5,442,050,194.24
  5. Step 5: Solve for x
    x = 5,442,050,194.24/84,438
  6. Step 6: Final answer
    x = 64,450.25

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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.