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Finding the Fourth Proportional to 249,933, 344,907.54 and 136,755.75

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Solution

The fourth proportional to 249,933, 344,907.54 and 136,755.75 is: 188,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,933 : 344,907.54 = 136,755.75 : x
  2. Step 2: Convert to fraction form
    249,933/344,907.54 = 136,755.75/x
  3. Step 3: Cross multiply
    249,933x = 344,907.54 × 136,755.75
  4. Step 4: Simplify right side
    249,933x = 47,168,089,313.36
  5. Step 5: Solve for x
    x = 47,168,089,313.36/249,933
  6. Step 6: Final answer
    x = 188,722.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.