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Finding the Fourth Proportional to 247,192.39, 370,364.81 and 165,987.20

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Solution

The fourth proportional to 247,192.39, 370,364.81 and 165,987.20 is: 248,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,192.39 : 370,364.81 = 165,987.20 : x
  2. Step 2: Convert to fraction form
    247,192.39/370,364.81 = 165,987.20/x
  3. Step 3: Cross multiply
    247,192.39x = 370,364.81 × 165,987.20
  4. Step 4: Simplify right side
    247,192.39x = 61,475,815,108.67
  5. Step 5: Solve for x
    x = 61,475,815,108.67/247,192.39
  6. Step 6: Final answer
    x = 248,696.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.