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Finding the Fourth Proportional to 224,413.60, 336,166.80 and 139,914.40

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Solution

The fourth proportional to 224,413.60, 336,166.80 and 139,914.40 is: 209,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,413.60 : 336,166.80 = 139,914.40 : x
  2. Step 2: Convert to fraction form
    224,413.60/336,166.80 = 139,914.40/x
  3. Step 3: Cross multiply
    224,413.60x = 336,166.80 × 139,914.40
  4. Step 4: Simplify right side
    224,413.60x = 47,034,576,121.92
  5. Step 5: Solve for x
    x = 47,034,576,121.92/224,413.60
  6. Step 6: Final answer
    x = 209,588.80

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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.