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Finding the Fourth Proportional to 224,084.72, 335,337.28 and 139,884.40

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Solution

The fourth proportional to 224,084.72, 335,337.28 and 139,884.40 is: 209,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,084.72 : 335,337.28 = 139,884.40 : x
  2. Step 2: Convert to fraction form
    224,084.72/335,337.28 = 139,884.40/x
  3. Step 3: Cross multiply
    224,084.72x = 335,337.28 × 139,884.40
  4. Step 4: Simplify right side
    224,084.72x = 46,908,454,210.43
  5. Step 5: Solve for x
    x = 46,908,454,210.43/224,084.72
  6. Step 6: Final answer
    x = 209,333.57

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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.