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Finding the Fourth Proportional to 442,188.47, 663,282.71 and 109,764.47

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Solution

The fourth proportional to 442,188.47, 663,282.71 and 109,764.47 is: 164,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,188.47 : 663,282.71 = 109,764.47 : x
  2. Step 2: Convert to fraction form
    442,188.47/663,282.71 = 109,764.47/x
  3. Step 3: Cross multiply
    442,188.47x = 663,282.71 × 109,764.47
  4. Step 4: Simplify right side
    442,188.47x = 72,804,871,258.08
  5. Step 5: Solve for x
    x = 72,804,871,258.08/442,188.47
  6. Step 6: Final answer
    x = 164,646.70

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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.