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Finding the Fourth Proportional to 247,063.90, 370,666.77 and 102,941.66

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Solution

The fourth proportional to 247,063.90, 370,666.77 and 102,941.66 is: 154,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,063.90 : 370,666.77 = 102,941.66 : x
  2. Step 2: Convert to fraction form
    247,063.90/370,666.77 = 102,941.66/x
  3. Step 3: Cross multiply
    247,063.90x = 370,666.77 × 102,941.66
  4. Step 4: Simplify right side
    247,063.90x = 38,157,054,019.84
  5. Step 5: Solve for x
    x = 38,157,054,019.84/247,063.90
  6. Step 6: Final answer
    x = 154,442.05

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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.