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Finding the Fourth Proportional to 200,657.97, 276,931.08 and 114,630.57

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Solution

The fourth proportional to 200,657.97, 276,931.08 and 114,630.57 is: 158,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,657.97 : 276,931.08 = 114,630.57 : x
  2. Step 2: Convert to fraction form
    200,657.97/276,931.08 = 114,630.57/x
  3. Step 3: Cross multiply
    200,657.97x = 276,931.08 × 114,630.57
  4. Step 4: Simplify right side
    200,657.97x = 31,744,767,551.12
  5. Step 5: Solve for x
    x = 31,744,767,551.12/200,657.97
  6. Step 6: Final answer
    x = 158,203.37

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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.