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Finding the Fourth Proportional to 108,800.99, 150,160.29 and 61,057.16

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Solution

The fourth proportional to 108,800.99, 150,160.29 and 61,057.16 is: 84,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,800.99 : 150,160.29 = 61,057.16 : x
  2. Step 2: Convert to fraction form
    108,800.99/150,160.29 = 61,057.16/x
  3. Step 3: Cross multiply
    108,800.99x = 150,160.29 × 61,057.16
  4. Step 4: Simplify right side
    108,800.99x = 9,168,360,852.18
  5. Step 5: Solve for x
    x = 9,168,360,852.18/108,800.99
  6. Step 6: Final answer
    x = 84,267.26

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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.