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Finding the Fourth Proportional to 167,946.90, 231,751.46 and 99,952.90

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Solution

The fourth proportional to 167,946.90, 231,751.46 and 99,952.90 is: 137,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,946.90 : 231,751.46 = 99,952.90 : x
  2. Step 2: Convert to fraction form
    167,946.90/231,751.46 = 99,952.90/x
  3. Step 3: Cross multiply
    167,946.90x = 231,751.46 × 99,952.90
  4. Step 4: Simplify right side
    167,946.90x = 23,164,230,506.23
  5. Step 5: Solve for x
    x = 23,164,230,506.23/167,946.90
  6. Step 6: Final answer
    x = 137,925.92

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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.