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Finding the Fourth Proportional to 268,478.16, 370,289.88 and 166,446.52

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Solution

The fourth proportional to 268,478.16, 370,289.88 and 166,446.52 is: 229,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,478.16 : 370,289.88 = 166,446.52 : x
  2. Step 2: Convert to fraction form
    268,478.16/370,289.88 = 166,446.52/x
  3. Step 3: Cross multiply
    268,478.16x = 370,289.88 × 166,446.52
  4. Step 4: Simplify right side
    268,478.16x = 61,633,461,917.22
  5. Step 5: Solve for x
    x = 61,633,461,917.22/268,478.16
  6. Step 6: Final answer
    x = 229,566.02

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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.