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Finding the Fourth Proportional to 84,090.42, 116,044.16 and 46,364.67

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Solution

The fourth proportional to 84,090.42, 116,044.16 and 46,364.67 is: 63,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.42 : 116,044.16 = 46,364.67 : x
  2. Step 2: Convert to fraction form
    84,090.42/116,044.16 = 46,364.67/x
  3. Step 3: Cross multiply
    84,090.42x = 116,044.16 × 46,364.67
  4. Step 4: Simplify right side
    84,090.42x = 5,380,348,952.00
  5. Step 5: Solve for x
    x = 5,380,348,952.00/84,090.42
  6. Step 6: Final answer
    x = 63,982.90

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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.