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Finding the Fourth Proportional to 230,946, 318,706.44 and 124,962

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Solution

The fourth proportional to 230,946, 318,706.44 and 124,962 is: 172,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,946 : 318,706.44 = 124,962 : x
  2. Step 2: Convert to fraction form
    230,946/318,706.44 = 124,962/x
  3. Step 3: Cross multiply
    230,946x = 318,706.44 × 124,962
  4. Step 4: Simplify right side
    230,946x = 39,826,194,155.28
  5. Step 5: Solve for x
    x = 39,826,194,155.28/230,946
  6. Step 6: Final answer
    x = 172,448.08

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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.