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Finding the Fourth Proportional to 114,695.80, 172,043.70 and 67,924.60

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Solution

The fourth proportional to 114,695.80, 172,043.70 and 67,924.60 is: 101,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,695.80 : 172,043.70 = 67,924.60 : x
  2. Step 2: Convert to fraction form
    114,695.80/172,043.70 = 67,924.60/x
  3. Step 3: Cross multiply
    114,695.80x = 172,043.70 × 67,924.60
  4. Step 4: Simplify right side
    114,695.80x = 11,685,999,505.02
  5. Step 5: Solve for x
    x = 11,685,999,505.02/114,695.80
  6. Step 6: Final answer
    x = 101,886.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.