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Finding the Fourth Proportional to 146,880.76, 202,696.66 and 79,812.76

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Solution

The fourth proportional to 146,880.76, 202,696.66 and 79,812.76 is: 110,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,880.76 : 202,696.66 = 79,812.76 : x
  2. Step 2: Convert to fraction form
    146,880.76/202,696.66 = 79,812.76/x
  3. Step 3: Cross multiply
    146,880.76x = 202,696.66 × 79,812.76
  4. Step 4: Simplify right side
    146,880.76x = 16,177,779,877.38
  5. Step 5: Solve for x
    x = 16,177,779,877.38/146,880.76
  6. Step 6: Final answer
    x = 110,142.27

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1.5x scale

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.