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Finding the Fourth Proportional to 79,024.79, 109,093.87 and 61,079.24

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Solution

The fourth proportional to 79,024.79, 109,093.87 and 61,079.24 is: 84,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,024.79 : 109,093.87 = 61,079.24 : x
  2. Step 2: Convert to fraction form
    79,024.79/109,093.87 = 61,079.24/x
  3. Step 3: Cross multiply
    79,024.79x = 109,093.87 × 61,079.24
  4. Step 4: Simplify right side
    79,024.79x = 6,663,371,017.34
  5. Step 5: Solve for x
    x = 6,663,371,017.34/79,024.79
  6. Step 6: Final answer
    x = 84,320.01

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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.