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Finding the Fourth Proportional to 164,959.59, 247,407.79 and 70,241.97

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Solution

The fourth proportional to 164,959.59, 247,407.79 and 70,241.97 is: 105,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,959.59 : 247,407.79 = 70,241.97 : x
  2. Step 2: Convert to fraction form
    164,959.59/247,407.79 = 70,241.97/x
  3. Step 3: Cross multiply
    164,959.59x = 247,407.79 × 70,241.97
  4. Step 4: Simplify right side
    164,959.59x = 17,378,409,150.30
  5. Step 5: Solve for x
    x = 17,378,409,150.30/164,959.59
  6. Step 6: Final answer
    x = 105,349.50

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1.5x scale

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.