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Finding the Fourth Proportional to 146,305.48, 201,901.94 and 79,237.48

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Solution

The fourth proportional to 146,305.48, 201,901.94 and 79,237.48 is: 109,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,305.48 : 201,901.94 = 79,237.48 : x
  2. Step 2: Convert to fraction form
    146,305.48/201,901.94 = 79,237.48/x
  3. Step 3: Cross multiply
    146,305.48x = 201,901.94 × 79,237.48
  4. Step 4: Simplify right side
    146,305.48x = 15,998,200,932.71
  5. Step 5: Solve for x
    x = 15,998,200,932.71/146,305.48
  6. Step 6: Final answer
    x = 109,347.93

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1.5x scale

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.