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Finding the Fourth Proportional to 167,303.90, 230,777.93 and 99,276.04

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Solution

The fourth proportional to 167,303.90, 230,777.93 and 99,276.04 is: 136,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,303.90 : 230,777.93 = 99,276.04 : x
  2. Step 2: Convert to fraction form
    167,303.90/230,777.93 = 99,276.04/x
  3. Step 3: Cross multiply
    167,303.90x = 230,777.93 × 99,276.04
  4. Step 4: Simplify right side
    167,303.90x = 22,910,719,009.80
  5. Step 5: Solve for x
    x = 22,910,719,009.80/167,303.90
  6. Step 6: Final answer
    x = 136,940.73

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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.