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Finding the Fourth Proportional to 330,062.12, 495,119.34 and 93,406.28

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Solution

The fourth proportional to 330,062.12, 495,119.34 and 93,406.28 is: 140,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,062.12 : 495,119.34 = 93,406.28 : x
  2. Step 2: Convert to fraction form
    330,062.12/495,119.34 = 93,406.28/x
  3. Step 3: Cross multiply
    330,062.12x = 495,119.34 × 93,406.28
  4. Step 4: Simplify right side
    330,062.12x = 46,247,255,705.46
  5. Step 5: Solve for x
    x = 46,247,255,705.46/330,062.12
  6. Step 6: Final answer
    x = 140,116.82

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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.