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Finding the Fourth Proportional to 166,695.76, 229,801.08 and 118,866.16

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Solution

The fourth proportional to 166,695.76, 229,801.08 and 118,866.16 is: 163,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,695.76 : 229,801.08 = 118,866.16 : x
  2. Step 2: Convert to fraction form
    166,695.76/229,801.08 = 118,866.16/x
  3. Step 3: Cross multiply
    166,695.76x = 229,801.08 × 118,866.16
  4. Step 4: Simplify right side
    166,695.76x = 27,315,571,943.45
  5. Step 5: Solve for x
    x = 27,315,571,943.45/166,695.76
  6. Step 6: Final answer
    x = 163,864.83

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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.