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Finding the Fourth Proportional to 93,404.92, 129,039.32 and 61,216.06

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Solution

The fourth proportional to 93,404.92, 129,039.32 and 61,216.06 is: 84,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,404.92 : 129,039.32 = 61,216.06 : x
  2. Step 2: Convert to fraction form
    93,404.92/129,039.32 = 61,216.06/x
  3. Step 3: Cross multiply
    93,404.92x = 129,039.32 × 61,216.06
  4. Step 4: Simplify right side
    93,404.92x = 7,899,278,755.48
  5. Step 5: Solve for x
    x = 7,899,278,755.48/93,404.92
  6. Step 6: Final answer
    x = 84,570.26

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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.