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Finding the Fourth Proportional to 93,247.26, 128,579.25 and 62,980.03

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Solution

The fourth proportional to 93,247.26, 128,579.25 and 62,980.03 is: 86,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,247.26 : 128,579.25 = 62,980.03 : x
  2. Step 2: Convert to fraction form
    93,247.26/128,579.25 = 62,980.03/x
  3. Step 3: Cross multiply
    93,247.26x = 128,579.25 × 62,980.03
  4. Step 4: Simplify right side
    93,247.26x = 8,097,925,022.38
  5. Step 5: Solve for x
    x = 8,097,925,022.38/93,247.26
  6. Step 6: Final answer
    x = 86,843.57

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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.