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Finding the Fourth Proportional to 93,608.56, 129,179.66 and 53,322.30

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Solution

The fourth proportional to 93,608.56, 129,179.66 and 53,322.30 is: 73,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,608.56 : 129,179.66 = 53,322.30 : x
  2. Step 2: Convert to fraction form
    93,608.56/129,179.66 = 53,322.30/x
  3. Step 3: Cross multiply
    93,608.56x = 129,179.66 × 53,322.30
  4. Step 4: Simplify right side
    93,608.56x = 6,888,156,617.74
  5. Step 5: Solve for x
    x = 6,888,156,617.74/93,608.56
  6. Step 6: Final answer
    x = 73,584.69

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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.