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Finding the Fourth Proportional to 79,683.85, 119,487.66 and 46,413.42

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Solution

The fourth proportional to 79,683.85, 119,487.66 and 46,413.42 is: 69,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,683.85 : 119,487.66 = 46,413.42 : x
  2. Step 2: Convert to fraction form
    79,683.85/119,487.66 = 46,413.42/x
  3. Step 3: Cross multiply
    79,683.85x = 119,487.66 × 46,413.42
  4. Step 4: Simplify right side
    79,683.85x = 5,545,830,948.40
  5. Step 5: Solve for x
    x = 5,545,830,948.40/79,683.85
  6. Step 6: Final answer
    x = 69,597.93

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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.