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Finding the Fourth Proportional to 199,288.80, 299,108.16 and 110,642.40

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Solution

The fourth proportional to 199,288.80, 299,108.16 and 110,642.40 is: 166,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,288.80 : 299,108.16 = 110,642.40 : x
  2. Step 2: Convert to fraction form
    199,288.80/299,108.16 = 110,642.40/x
  3. Step 3: Cross multiply
    199,288.80x = 299,108.16 × 110,642.40
  4. Step 4: Simplify right side
    199,288.80x = 33,094,044,681.98
  5. Step 5: Solve for x
    x = 33,094,044,681.98/199,288.80
  6. Step 6: Final answer
    x = 166,060.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.