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Finding the Fourth Proportional to 162,804.30, 244,206.45 and 103,682.40

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Solution

The fourth proportional to 162,804.30, 244,206.45 and 103,682.40 is: 155,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,804.30 : 244,206.45 = 103,682.40 : x
  2. Step 2: Convert to fraction form
    162,804.30/244,206.45 = 103,682.40/x
  3. Step 3: Cross multiply
    162,804.30x = 244,206.45 × 103,682.40
  4. Step 4: Simplify right side
    162,804.30x = 25,319,910,831.48
  5. Step 5: Solve for x
    x = 25,319,910,831.48/162,804.30
  6. Step 6: Final answer
    x = 155,523.60

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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.