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Finding the Fourth Proportional to 108,803.72, 150,159.93 and 61,057.26

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Solution

The fourth proportional to 108,803.72, 150,159.93 and 61,057.26 is: 84,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803.72 : 150,159.93 = 61,057.26 : x
  2. Step 2: Convert to fraction form
    108,803.72/150,159.93 = 61,057.26/x
  3. Step 3: Cross multiply
    108,803.72x = 150,159.93 × 61,057.26
  4. Step 4: Simplify right side
    108,803.72x = 9,168,353,658.63
  5. Step 5: Solve for x
    x = 9,168,353,658.63/108,803.72
  6. Step 6: Final answer
    x = 84,265.07

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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.