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Finding the Fourth Proportional to 108,803.99, 150,164.43 and 61,060.16

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Solution

The fourth proportional to 108,803.99, 150,164.43 and 61,060.16 is: 84,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803.99 : 150,164.43 = 61,060.16 : x
  2. Step 2: Convert to fraction form
    108,803.99/150,164.43 = 61,060.16/x
  3. Step 3: Cross multiply
    108,803.99x = 150,164.43 × 61,060.16
  4. Step 4: Simplify right side
    108,803.99x = 9,169,064,122.11
  5. Step 5: Solve for x
    x = 9,169,064,122.11/108,803.99
  6. Step 6: Final answer
    x = 84,271.40

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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.