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Finding the Fourth Proportional to 330,453.60, 495,670.08 and 105,827.52

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Solution

The fourth proportional to 330,453.60, 495,670.08 and 105,827.52 is: 158,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,453.60 : 495,670.08 = 105,827.52 : x
  2. Step 2: Convert to fraction form
    330,453.60/495,670.08 = 105,827.52/x
  3. Step 3: Cross multiply
    330,453.60x = 495,670.08 × 105,827.52
  4. Step 4: Simplify right side
    330,453.60x = 52,455,535,304.60
  5. Step 5: Solve for x
    x = 52,455,535,304.60/330,453.60
  6. Step 6: Final answer
    x = 158,737.98

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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.