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Finding the Fourth Proportional to 202,763.76, 304,113.72 and 127,653.98

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Solution

The fourth proportional to 202,763.76, 304,113.72 and 127,653.98 is: 191,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,763.76 : 304,113.72 = 127,653.98 : x
  2. Step 2: Convert to fraction form
    202,763.76/304,113.72 = 127,653.98/x
  3. Step 3: Cross multiply
    202,763.76x = 304,113.72 × 127,653.98
  4. Step 4: Simplify right side
    202,763.76x = 38,821,325,688.74
  5. Step 5: Solve for x
    x = 38,821,325,688.74/202,763.76
  6. Step 6: Final answer
    x = 191,460.87

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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.