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Finding the Fourth Proportional to 93,881.64, 129,561.86 and 53,608.34

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Solution

The fourth proportional to 93,881.64, 129,561.86 and 53,608.34 is: 73,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,881.64 : 129,561.86 = 53,608.34 : x
  2. Step 2: Convert to fraction form
    93,881.64/129,561.86 = 53,608.34/x
  3. Step 3: Cross multiply
    93,881.64x = 129,561.86 × 53,608.34
  4. Step 4: Simplify right side
    93,881.64x = 6,945,596,297.78
  5. Step 5: Solve for x
    x = 6,945,596,297.78/93,881.64
  6. Step 6: Final answer
    x = 73,982.48

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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.