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Finding the Fourth Proportional to 93,697.60, 129,301.64 and 51,255.62

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Solution

The fourth proportional to 93,697.60, 129,301.64 and 51,255.62 is: 70,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,697.60 : 129,301.64 = 51,255.62 : x
  2. Step 2: Convert to fraction form
    93,697.60/129,301.64 = 51,255.62/x
  3. Step 3: Cross multiply
    93,697.60x = 129,301.64 × 51,255.62
  4. Step 4: Simplify right side
    93,697.60x = 6,627,435,725.22
  5. Step 5: Solve for x
    x = 6,627,435,725.22/93,697.60
  6. Step 6: Final answer
    x = 70,732.18

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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.