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Finding the Fourth Proportional to 169,792.56, 234,299.64 and 93,307.64

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Solution

The fourth proportional to 169,792.56, 234,299.64 and 93,307.64 is: 128,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,792.56 : 234,299.64 = 93,307.64 : x
  2. Step 2: Convert to fraction form
    169,792.56/234,299.64 = 93,307.64/x
  3. Step 3: Cross multiply
    169,792.56x = 234,299.64 × 93,307.64
  4. Step 4: Simplify right side
    169,792.56x = 21,861,946,461.25
  5. Step 5: Solve for x
    x = 21,861,946,461.25/169,792.56
  6. Step 6: Final answer
    x = 128,756.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.