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Finding the Fourth Proportional to 202,031.64, 303,018.27 and 61,752.60

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Solution

The fourth proportional to 202,031.64, 303,018.27 and 61,752.60 is: 92,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,031.64 : 303,018.27 = 61,752.60 : x
  2. Step 2: Convert to fraction form
    202,031.64/303,018.27 = 61,752.60/x
  3. Step 3: Cross multiply
    202,031.64x = 303,018.27 × 61,752.60
  4. Step 4: Simplify right side
    202,031.64x = 18,712,166,020.00
  5. Step 5: Solve for x
    x = 18,712,166,020.00/202,031.64
  6. Step 6: Final answer
    x = 92,619.98

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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.