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Finding the Fourth Proportional to 88,653.69, 122,324.18 and 56,401.11

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Solution

The fourth proportional to 88,653.69, 122,324.18 and 56,401.11 is: 77,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,653.69 : 122,324.18 = 56,401.11 : x
  2. Step 2: Convert to fraction form
    88,653.69/122,324.18 = 56,401.11/x
  3. Step 3: Cross multiply
    88,653.69x = 122,324.18 × 56,401.11
  4. Step 4: Simplify right side
    88,653.69x = 6,899,219,249.83
  5. Step 5: Solve for x
    x = 6,899,219,249.83/88,653.69
  6. Step 6: Final answer
    x = 77,822.13

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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.