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Finding the Fourth Proportional to 203,612.04, 280,997.88 and 117,574.64

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Solution

The fourth proportional to 203,612.04, 280,997.88 and 117,574.64 is: 162,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,612.04 : 280,997.88 = 117,574.64 : x
  2. Step 2: Convert to fraction form
    203,612.04/280,997.88 = 117,574.64/x
  3. Step 3: Cross multiply
    203,612.04x = 280,997.88 × 117,574.64
  4. Step 4: Simplify right side
    203,612.04x = 33,038,224,581.76
  5. Step 5: Solve for x
    x = 33,038,224,581.76/203,612.04
  6. Step 6: Final answer
    x = 162,260.66

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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.