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Finding the Fourth Proportional to 250,946.97, 346,302.50 and 137,768.91

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Solution

The fourth proportional to 250,946.97, 346,302.50 and 137,768.91 is: 190,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,946.97 : 346,302.50 = 137,768.91 : x
  2. Step 2: Convert to fraction form
    250,946.97/346,302.50 = 137,768.91/x
  3. Step 3: Cross multiply
    250,946.97x = 346,302.50 × 137,768.91
  4. Step 4: Simplify right side
    250,946.97x = 47,709,717,955.28
  5. Step 5: Solve for x
    x = 47,709,717,955.28/250,946.97
  6. Step 6: Final answer
    x = 190,118.72

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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.