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Finding the Fourth Proportional to 223,449.36, 335,283.30 and 105,132.48

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Solution

The fourth proportional to 223,449.36, 335,283.30 and 105,132.48 is: 157,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,449.36 : 335,283.30 = 105,132.48 : x
  2. Step 2: Convert to fraction form
    223,449.36/335,283.30 = 105,132.48/x
  3. Step 3: Cross multiply
    223,449.36x = 335,283.30 × 105,132.48
  4. Step 4: Simplify right side
    223,449.36x = 35,249,164,831.58
  5. Step 5: Solve for x
    x = 35,249,164,831.58/223,449.36
  6. Step 6: Final answer
    x = 157,750.13

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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.