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Finding the Fourth Proportional to 93,888, 129,565.44 and 51,448.14

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Solution

The fourth proportional to 93,888, 129,565.44 and 51,448.14 is: 70,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,888 : 129,565.44 = 51,448.14 : x
  2. Step 2: Convert to fraction form
    93,888/129,565.44 = 51,448.14/x
  3. Step 3: Cross multiply
    93,888x = 129,565.44 × 51,448.14
  4. Step 4: Simplify right side
    93,888x = 6,665,900,896.28
  5. Step 5: Solve for x
    x = 6,665,900,896.28/93,888
  6. Step 6: Final answer
    x = 70,998.43

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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.