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Finding the Fourth Proportional to 108,953.52, 150,255.99 and 70,673.19

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Solution

The fourth proportional to 108,953.52, 150,255.99 and 70,673.19 is: 97,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,953.52 : 150,255.99 = 70,673.19 : x
  2. Step 2: Convert to fraction form
    108,953.52/150,255.99 = 70,673.19/x
  3. Step 3: Cross multiply
    108,953.52x = 150,255.99 × 70,673.19
  4. Step 4: Simplify right side
    108,953.52x = 10,619,070,129.91
  5. Step 5: Solve for x
    x = 10,619,070,129.91/108,953.52
  6. Step 6: Final answer
    x = 97,464.22

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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.