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Finding the Fourth Proportional to 251,433.76, 346,987.92 and 150,812.32

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Solution

The fourth proportional to 251,433.76, 346,987.92 and 150,812.32 is: 208,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,433.76 : 346,987.92 = 150,812.32 : x
  2. Step 2: Convert to fraction form
    251,433.76/346,987.92 = 150,812.32/x
  3. Step 3: Cross multiply
    251,433.76x = 346,987.92 × 150,812.32
  4. Step 4: Simplify right side
    251,433.76x = 52,330,053,227.17
  5. Step 5: Solve for x
    x = 52,330,053,227.17/251,433.76
  6. Step 6: Final answer
    x = 208,126.60

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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.