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Finding the Fourth Proportional to 93,568.25, 129,112.22 and 53,276.42

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Solution

The fourth proportional to 93,568.25, 129,112.22 and 53,276.42 is: 73,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,568.25 : 129,112.22 = 53,276.42 : x
  2. Step 2: Convert to fraction form
    93,568.25/129,112.22 = 53,276.42/x
  3. Step 3: Cross multiply
    93,568.25x = 129,112.22 × 53,276.42
  4. Step 4: Simplify right side
    93,568.25x = 6,878,635,947.91
  5. Step 5: Solve for x
    x = 6,878,635,947.91/93,568.25
  6. Step 6: Final answer
    x = 73,514.64

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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.