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Finding the Fourth Proportional to 200,185.66, 276,259.71 and 109,549.66

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Solution

The fourth proportional to 200,185.66, 276,259.71 and 109,549.66 is: 151,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,185.66 : 276,259.71 = 109,549.66 : x
  2. Step 2: Convert to fraction form
    200,185.66/276,259.71 = 109,549.66/x
  3. Step 3: Cross multiply
    200,185.66x = 276,259.71 × 109,549.66
  4. Step 4: Simplify right side
    200,185.66x = 30,264,157,302.20
  5. Step 5: Solve for x
    x = 30,264,157,302.20/200,185.66
  6. Step 6: Final answer
    x = 151,180.45

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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.