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Finding the Fourth Proportional to 93,494.60, 129,032.70 and 57,683.68

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Solution

The fourth proportional to 93,494.60, 129,032.70 and 57,683.68 is: 79,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,494.60 : 129,032.70 = 57,683.68 : x
  2. Step 2: Convert to fraction form
    93,494.60/129,032.70 = 57,683.68/x
  3. Step 3: Cross multiply
    93,494.60x = 129,032.70 × 57,683.68
  4. Step 4: Simplify right side
    93,494.60x = 7,443,080,976.34
  5. Step 5: Solve for x
    x = 7,443,080,976.34/93,494.60
  6. Step 6: Final answer
    x = 79,609.74

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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.