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Finding the Fourth Proportional to 245,868.20, 368,802.30 and 162,762.20

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Solution

The fourth proportional to 245,868.20, 368,802.30 and 162,762.20 is: 244,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,868.20 : 368,802.30 = 162,762.20 : x
  2. Step 2: Convert to fraction form
    245,868.20/368,802.30 = 162,762.20/x
  3. Step 3: Cross multiply
    245,868.20x = 368,802.30 × 162,762.20
  4. Step 4: Simplify right side
    245,868.20x = 60,027,073,713.06
  5. Step 5: Solve for x
    x = 60,027,073,713.06/245,868.20
  6. Step 6: Final answer
    x = 244,143.30

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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.