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Finding the Fourth Proportional to 93,467.26, 128,980.32 and 53,177.26

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Solution

The fourth proportional to 93,467.26, 128,980.32 and 53,177.26 is: 73,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,467.26 : 128,980.32 = 53,177.26 : x
  2. Step 2: Convert to fraction form
    93,467.26/128,980.32 = 53,177.26/x
  3. Step 3: Cross multiply
    93,467.26x = 128,980.32 × 53,177.26
  4. Step 4: Simplify right side
    93,467.26x = 6,858,820,011.52
  5. Step 5: Solve for x
    x = 6,858,820,011.52/93,467.26
  6. Step 6: Final answer
    x = 73,382.06

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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.