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Finding the Fourth Proportional to 102,603, 153,894.42 and 50,048.76

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Solution

The fourth proportional to 102,603, 153,894.42 and 50,048.76 is: 75,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,603 : 153,894.42 = 50,048.76 : x
  2. Step 2: Convert to fraction form
    102,603/153,894.42 = 50,048.76/x
  3. Step 3: Cross multiply
    102,603x = 153,894.42 × 50,048.76
  4. Step 4: Simplify right side
    102,603x = 7,702,224,891.92
  5. Step 5: Solve for x
    x = 7,702,224,891.92/102,603
  6. Step 6: Final answer
    x = 75,068.22

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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.