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Finding the Fourth Proportional to 108,943.32, 150,345.66 and 61,195.62

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Solution

The fourth proportional to 108,943.32, 150,345.66 and 61,195.62 is: 84,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.32 : 150,345.66 = 61,195.62 : x
  2. Step 2: Convert to fraction form
    108,943.32/150,345.66 = 61,195.62/x
  3. Step 3: Cross multiply
    108,943.32x = 150,345.66 × 61,195.62
  4. Step 4: Simplify right side
    108,943.32x = 9,200,495,878.01
  5. Step 5: Solve for x
    x = 9,200,495,878.01/108,943.32
  6. Step 6: Final answer
    x = 84,452.13

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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.