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Finding the Fourth Proportional to 251,373.50, 346,859.34 and 147,946.20

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Solution

The fourth proportional to 251,373.50, 346,859.34 and 147,946.20 is: 204,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,373.50 : 346,859.34 = 147,946.20 : x
  2. Step 2: Convert to fraction form
    251,373.50/346,859.34 = 147,946.20/x
  3. Step 3: Cross multiply
    251,373.50x = 346,859.34 × 147,946.20
  4. Step 4: Simplify right side
    251,373.50x = 51,316,521,287.51
  5. Step 5: Solve for x
    x = 51,316,521,287.51/251,373.50
  6. Step 6: Final answer
    x = 204,144.52

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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.