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Finding the Fourth Proportional to 168,927, 233,120.94 and 93,477.12

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Solution

The fourth proportional to 168,927, 233,120.94 and 93,477.12 is: 128,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,927 : 233,120.94 = 93,477.12 : x
  2. Step 2: Convert to fraction form
    168,927/233,120.94 = 93,477.12/x
  3. Step 3: Cross multiply
    168,927x = 233,120.94 × 93,477.12
  4. Step 4: Simplify right side
    168,927x = 21,791,474,082.89
  5. Step 5: Solve for x
    x = 21,791,474,082.89/168,927
  6. Step 6: Final answer
    x = 128,999.36

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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.