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Finding the Fourth Proportional to 130,319.91, 195,535.91 and 50,413.94

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Solution

The fourth proportional to 130,319.91, 195,535.91 and 50,413.94 is: 75,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,319.91 : 195,535.91 = 50,413.94 : x
  2. Step 2: Convert to fraction form
    130,319.91/195,535.91 = 50,413.94/x
  3. Step 3: Cross multiply
    130,319.91x = 195,535.91 × 50,413.94
  4. Step 4: Simplify right side
    130,319.91x = 9,857,735,307.82
  5. Step 5: Solve for x
    x = 9,857,735,307.82/130,319.91
  6. Step 6: Final answer
    x = 75,642.59

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1.5x scale

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.