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Finding the Fourth Proportional to 241,349.72, 333,078.53 and 139,379.46

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Solution

The fourth proportional to 241,349.72, 333,078.53 and 139,379.46 is: 192,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,349.72 : 333,078.53 = 139,379.46 : x
  2. Step 2: Convert to fraction form
    241,349.72/333,078.53 = 139,379.46/x
  3. Step 3: Cross multiply
    241,349.72x = 333,078.53 × 139,379.46
  4. Step 4: Simplify right side
    241,349.72x = 46,424,304,952.10
  5. Step 5: Solve for x
    x = 46,424,304,952.10/241,349.72
  6. Step 6: Final answer
    x = 192,352.85

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1.5x scale

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.