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Finding the Fourth Proportional to 93,608.60, 129,181.74 and 51,168.92

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Solution

The fourth proportional to 93,608.60, 129,181.74 and 51,168.92 is: 70,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,608.60 : 129,181.74 = 51,168.92 : x
  2. Step 2: Convert to fraction form
    93,608.60/129,181.74 = 51,168.92/x
  3. Step 3: Cross multiply
    93,608.60x = 129,181.74 × 51,168.92
  4. Step 4: Simplify right side
    93,608.60x = 6,610,090,119.52
  5. Step 5: Solve for x
    x = 6,610,090,119.52/93,608.60
  6. Step 6: Final answer
    x = 70,614.13

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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.