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Finding the Fourth Proportional to 224,870.40, 337,435.20 and 84,729.60

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Solution

The fourth proportional to 224,870.40, 337,435.20 and 84,729.60 is: 127,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,870.40 : 337,435.20 = 84,729.60 : x
  2. Step 2: Convert to fraction form
    224,870.40/337,435.20 = 84,729.60/x
  3. Step 3: Cross multiply
    224,870.40x = 337,435.20 × 84,729.60
  4. Step 4: Simplify right side
    224,870.40x = 28,590,749,521.92
  5. Step 5: Solve for x
    x = 28,590,749,521.92/224,870.40
  6. Step 6: Final answer
    x = 127,143.23

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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.