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Finding the Fourth Proportional to 77,883.80, 116,825.70 and 58,200.80

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Solution

The fourth proportional to 77,883.80, 116,825.70 and 58,200.80 is: 87,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,883.80 : 116,825.70 = 58,200.80 : x
  2. Step 2: Convert to fraction form
    77,883.80/116,825.70 = 58,200.80/x
  3. Step 3: Cross multiply
    77,883.80x = 116,825.70 × 58,200.80
  4. Step 4: Simplify right side
    77,883.80x = 6,799,349,200.56
  5. Step 5: Solve for x
    x = 6,799,349,200.56/77,883.80
  6. Step 6: Final answer
    x = 87,301.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.