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Finding the Fourth Proportional to 140,218.83, 210,328.83 and 35,037.90

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Solution

The fourth proportional to 140,218.83, 210,328.83 and 35,037.90 is: 52,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,218.83 : 210,328.83 = 35,037.90 : x
  2. Step 2: Convert to fraction form
    140,218.83/210,328.83 = 35,037.90/x
  3. Step 3: Cross multiply
    140,218.83x = 210,328.83 × 35,037.90
  4. Step 4: Simplify right side
    140,218.83x = 7,369,480,512.66
  5. Step 5: Solve for x
    x = 7,369,480,512.66/140,218.83
  6. Step 6: Final answer
    x = 52,557.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.