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Finding the Fourth Proportional to 161,036.70, 241,263.45 and 137,708.70

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Solution

The fourth proportional to 161,036.70, 241,263.45 and 137,708.70 is: 206,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,036.70 : 241,263.45 = 137,708.70 : x
  2. Step 2: Convert to fraction form
    161,036.70/241,263.45 = 137,708.70/x
  3. Step 3: Cross multiply
    161,036.70x = 241,263.45 × 137,708.70
  4. Step 4: Simplify right side
    161,036.70x = 33,224,076,057.02
  5. Step 5: Solve for x
    x = 33,224,076,057.02/161,036.70
  6. Step 6: Final answer
    x = 206,313.69

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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.