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Finding the Fourth Proportional to 330,670.92, 495,762.14 and 105,901.32

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Solution

The fourth proportional to 330,670.92, 495,762.14 and 105,901.32 is: 158,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,670.92 : 495,762.14 = 105,901.32 : x
  2. Step 2: Convert to fraction form
    330,670.92/495,762.14 = 105,901.32/x
  3. Step 3: Cross multiply
    330,670.92x = 495,762.14 × 105,901.32
  4. Step 4: Simplify right side
    330,670.92x = 52,501,865,032.02
  5. Step 5: Solve for x
    x = 52,501,865,032.02/330,670.92
  6. Step 6: Final answer
    x = 158,773.76

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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.