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Finding the Fourth Proportional to 85,793.04, 118,397.64 and 48,066

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Solution

The fourth proportional to 85,793.04, 118,397.64 and 48,066 is: 66,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,793.04 : 118,397.64 = 48,066 : x
  2. Step 2: Convert to fraction form
    85,793.04/118,397.64 = 48,066/x
  3. Step 3: Cross multiply
    85,793.04x = 118,397.64 × 48,066
  4. Step 4: Simplify right side
    85,793.04x = 5,690,900,964.24
  5. Step 5: Solve for x
    x = 5,690,900,964.24/85,793.04
  6. Step 6: Final answer
    x = 66,332.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.