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Finding the Fourth Proportional to 93,498.96, 129,039.60 and 52,664.42

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Solution

The fourth proportional to 93,498.96, 129,039.60 and 52,664.42 is: 72,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,498.96 : 129,039.60 = 52,664.42 : x
  2. Step 2: Convert to fraction form
    93,498.96/129,039.60 = 52,664.42/x
  3. Step 3: Cross multiply
    93,498.96x = 129,039.60 × 52,664.42
  4. Step 4: Simplify right side
    93,498.96x = 6,795,795,691.03
  5. Step 5: Solve for x
    x = 6,795,795,691.03/93,498.96
  6. Step 6: Final answer
    x = 72,683.12

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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.