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Finding the Fourth Proportional to 84,149.79, 116,126.69 and 46,424.04

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Solution

The fourth proportional to 84,149.79, 116,126.69 and 46,424.04 is: 64,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,149.79 : 116,126.69 = 46,424.04 : x
  2. Step 2: Convert to fraction form
    84,149.79/116,126.69 = 46,424.04/x
  3. Step 3: Cross multiply
    84,149.79x = 116,126.69 × 46,424.04
  4. Step 4: Simplify right side
    84,149.79x = 5,391,070,101.63
  5. Step 5: Solve for x
    x = 5,391,070,101.63/84,149.79
  6. Step 6: Final answer
    x = 64,065.16

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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.