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Finding the Fourth Proportional to 223,804.89, 335,362.68 and 103,788

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Solution

The fourth proportional to 223,804.89, 335,362.68 and 103,788 is: 155,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,804.89 : 335,362.68 = 103,788 : x
  2. Step 2: Convert to fraction form
    223,804.89/335,362.68 = 103,788/x
  3. Step 3: Cross multiply
    223,804.89x = 335,362.68 × 103,788
  4. Step 4: Simplify right side
    223,804.89x = 34,806,621,831.84
  5. Step 5: Solve for x
    x = 34,806,621,831.84/223,804.89
  6. Step 6: Final answer
    x = 155,522.17

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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.