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Finding the Fourth Proportional to 236,465.40, 354,410.10 and 103,063.80

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Solution

The fourth proportional to 236,465.40, 354,410.10 and 103,063.80 is: 154,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,465.40 : 354,410.10 = 103,063.80 : x
  2. Step 2: Convert to fraction form
    236,465.40/354,410.10 = 103,063.80/x
  3. Step 3: Cross multiply
    236,465.40x = 354,410.10 × 103,063.80
  4. Step 4: Simplify right side
    236,465.40x = 36,526,851,664.38
  5. Step 5: Solve for x
    x = 36,526,851,664.38/236,465.40
  6. Step 6: Final answer
    x = 154,470.17

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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.