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Finding the Fourth Proportional to 202,259.88, 279,366.98 and 151,499.44

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Solution

The fourth proportional to 202,259.88, 279,366.98 and 151,499.44 is: 209,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,259.88 : 279,366.98 = 151,499.44 : x
  2. Step 2: Convert to fraction form
    202,259.88/279,366.98 = 151,499.44/x
  3. Step 3: Cross multiply
    202,259.88x = 279,366.98 × 151,499.44
  4. Step 4: Simplify right side
    202,259.88x = 42,323,941,024.49
  5. Step 5: Solve for x
    x = 42,323,941,024.49/202,259.88
  6. Step 6: Final answer
    x = 209,255.25

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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.