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Finding the Fourth Proportional to 64,850.40, 97,208.73 and 47,036.43

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Solution

The fourth proportional to 64,850.40, 97,208.73 and 47,036.43 is: 70,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.40 : 97,208.73 = 47,036.43 : x
  2. Step 2: Convert to fraction form
    64,850.40/97,208.73 = 47,036.43/x
  3. Step 3: Cross multiply
    64,850.40x = 97,208.73 × 47,036.43
  4. Step 4: Simplify right side
    64,850.40x = 4,572,351,624.03
  5. Step 5: Solve for x
    x = 4,572,351,624.03/64,850.40
  6. Step 6: Final answer
    x = 70,506.14

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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.