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Finding the Fourth Proportional to 330,612.96, 495,923.58 and 93,955.32

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Solution

The fourth proportional to 330,612.96, 495,923.58 and 93,955.32 is: 140,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,612.96 : 495,923.58 = 93,955.32 : x
  2. Step 2: Convert to fraction form
    330,612.96/495,923.58 = 93,955.32/x
  3. Step 3: Cross multiply
    330,612.96x = 495,923.58 × 93,955.32
  4. Step 4: Simplify right side
    330,612.96x = 46,594,658,654.45
  5. Step 5: Solve for x
    x = 46,594,658,654.45/330,612.96
  6. Step 6: Final answer
    x = 140,934.16

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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.