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Finding the Fourth Proportional to 89,602.80, 123,600.36 and 56,010.48

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Solution

The fourth proportional to 89,602.80, 123,600.36 and 56,010.48 is: 77,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,602.80 : 123,600.36 = 56,010.48 : x
  2. Step 2: Convert to fraction form
    89,602.80/123,600.36 = 56,010.48/x
  3. Step 3: Cross multiply
    89,602.80x = 123,600.36 × 56,010.48
  4. Step 4: Simplify right side
    89,602.80x = 6,922,915,491.77
  5. Step 5: Solve for x
    x = 6,922,915,491.77/89,602.80
  6. Step 6: Final answer
    x = 77,262.27

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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.