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Finding the Fourth Proportional to 330,176.42, 495,240.40 and 105,476.52

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Solution

The fourth proportional to 330,176.42, 495,240.40 and 105,476.52 is: 158,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,176.42 : 495,240.40 = 105,476.52 : x
  2. Step 2: Convert to fraction form
    330,176.42/495,240.40 = 105,476.52/x
  3. Step 3: Cross multiply
    330,176.42x = 495,240.40 × 105,476.52
  4. Step 4: Simplify right side
    330,176.42x = 52,236,233,955.41
  5. Step 5: Solve for x
    x = 52,236,233,955.41/330,176.42
  6. Step 6: Final answer
    x = 158,207.04

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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.