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Finding the Fourth Proportional to 93,597.21, 129,224.49 and 83,508.16

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Solution

The fourth proportional to 93,597.21, 129,224.49 and 83,508.16 is: 115,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,597.21 : 129,224.49 = 83,508.16 : x
  2. Step 2: Convert to fraction form
    93,597.21/129,224.49 = 83,508.16/x
  3. Step 3: Cross multiply
    93,597.21x = 129,224.49 × 83,508.16
  4. Step 4: Simplify right side
    93,597.21x = 10,791,299,063.78
  5. Step 5: Solve for x
    x = 10,791,299,063.78/93,597.21
  6. Step 6: Final answer
    x = 115,295.09

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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.