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Finding the Fourth Proportional to 224,128.96, 336,242.62 and 66,369.67

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Solution

The fourth proportional to 224,128.96, 336,242.62 and 66,369.67 is: 99,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,128.96 : 336,242.62 = 66,369.67 : x
  2. Step 2: Convert to fraction form
    224,128.96/336,242.62 = 66,369.67/x
  3. Step 3: Cross multiply
    224,128.96x = 336,242.62 × 66,369.67
  4. Step 4: Simplify right side
    224,128.96x = 22,316,310,971.69
  5. Step 5: Solve for x
    x = 22,316,310,971.69/224,128.96
  6. Step 6: Final answer
    x = 99,569.07

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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.