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Finding the Fourth Proportional to 200,237.80, 276,312.90 and 109,573.48

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Solution

The fourth proportional to 200,237.80, 276,312.90 and 109,573.48 is: 151,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,237.80 : 276,312.90 = 109,573.48 : x
  2. Step 2: Convert to fraction form
    200,237.80/276,312.90 = 109,573.48/x
  3. Step 3: Cross multiply
    200,237.80x = 276,312.90 × 109,573.48
  4. Step 4: Simplify right side
    200,237.80x = 30,276,566,021.89
  5. Step 5: Solve for x
    x = 30,276,566,021.89/200,237.80
  6. Step 6: Final answer
    x = 151,203.05

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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.