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Finding the Fourth Proportional to 82,887.88, 124,243.74 and 56,527.24

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Solution

The fourth proportional to 82,887.88, 124,243.74 and 56,527.24 is: 84,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,887.88 : 124,243.74 = 56,527.24 : x
  2. Step 2: Convert to fraction form
    82,887.88/124,243.74 = 56,527.24/x
  3. Step 3: Cross multiply
    82,887.88x = 124,243.74 × 56,527.24
  4. Step 4: Simplify right side
    82,887.88x = 7,023,155,709.48
  5. Step 5: Solve for x
    x = 7,023,155,709.48/82,887.88
  6. Step 6: Final answer
    x = 84,730.79

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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.