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Finding the Fourth Proportional to 88,898.70, 122,643.24 and 58,263.42

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Solution

The fourth proportional to 88,898.70, 122,643.24 and 58,263.42 is: 80,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898.70 : 122,643.24 = 58,263.42 : x
  2. Step 2: Convert to fraction form
    88,898.70/122,643.24 = 58,263.42/x
  3. Step 3: Cross multiply
    88,898.70x = 122,643.24 × 58,263.42
  4. Step 4: Simplify right side
    88,898.70x = 7,145,614,602.28
  5. Step 5: Solve for x
    x = 7,145,614,602.28/88,898.70
  6. Step 6: Final answer
    x = 80,379.29

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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.