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Finding the Fourth Proportional to 202,264.70, 303,646.65 and 127,384.70

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Solution

The fourth proportional to 202,264.70, 303,646.65 and 127,384.70 is: 191,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,264.70 : 303,646.65 = 127,384.70 : x
  2. Step 2: Convert to fraction form
    202,264.70/303,646.65 = 127,384.70/x
  3. Step 3: Cross multiply
    202,264.70x = 303,646.65 × 127,384.70
  4. Step 4: Simplify right side
    202,264.70x = 38,679,937,416.26
  5. Step 5: Solve for x
    x = 38,679,937,416.26/202,264.70
  6. Step 6: Final answer
    x = 191,234.25

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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.