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Finding the Fourth Proportional to 268,695.30, 370,547.79 and 166,737.30

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Solution

The fourth proportional to 268,695.30, 370,547.79 and 166,737.30 is: 229,941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,695.30 : 370,547.79 = 166,737.30 : x
  2. Step 2: Convert to fraction form
    268,695.30/370,547.79 = 166,737.30/x
  3. Step 3: Cross multiply
    268,695.30x = 370,547.79 × 166,737.30
  4. Step 4: Simplify right side
    268,695.30x = 61,784,138,025.57
  5. Step 5: Solve for x
    x = 61,784,138,025.57/268,695.30
  6. Step 6: Final answer
    x = 229,941.27

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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.