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Finding the Fourth Proportional to 64,934.60, 97,394.70 and 53,227.40

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Solution

The fourth proportional to 64,934.60, 97,394.70 and 53,227.40 is: 79,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,934.60 : 97,394.70 = 53,227.40 : x
  2. Step 2: Convert to fraction form
    64,934.60/97,394.70 = 53,227.40/x
  3. Step 3: Cross multiply
    64,934.60x = 97,394.70 × 53,227.40
  4. Step 4: Simplify right side
    64,934.60x = 5,184,066,654.78
  5. Step 5: Solve for x
    x = 5,184,066,654.78/64,934.60
  6. Step 6: Final answer
    x = 79,835.20

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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.