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Finding the Fourth Proportional to 84,060.62, 116,002.88 and 45,820.16

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Solution

The fourth proportional to 84,060.62, 116,002.88 and 45,820.16 is: 63,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,060.62 : 116,002.88 = 45,820.16 : x
  2. Step 2: Convert to fraction form
    84,060.62/116,002.88 = 45,820.16/x
  3. Step 3: Cross multiply
    84,060.62x = 116,002.88 × 45,820.16
  4. Step 4: Simplify right side
    84,060.62x = 5,315,270,926.62
  5. Step 5: Solve for x
    x = 5,315,270,926.62/84,060.62
  6. Step 6: Final answer
    x = 63,231.41

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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.