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Finding the Fourth Proportional to 93,652.91, 129,238.12 and 57,368.15

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Solution

The fourth proportional to 93,652.91, 129,238.12 and 57,368.15 is: 79,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,652.91 : 129,238.12 = 57,368.15 : x
  2. Step 2: Convert to fraction form
    93,652.91/129,238.12 = 57,368.15/x
  3. Step 3: Cross multiply
    93,652.91x = 129,238.12 × 57,368.15
  4. Step 4: Simplify right side
    93,652.91x = 7,414,151,853.88
  5. Step 5: Solve for x
    x = 7,414,151,853.88/93,652.91
  6. Step 6: Final answer
    x = 79,166.27

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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.