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Finding the Fourth Proportional to 220,395.33, 330,539.54 and 101,953.49

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Solution

The fourth proportional to 220,395.33, 330,539.54 and 101,953.49 is: 152,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,395.33 : 330,539.54 = 101,953.49 : x
  2. Step 2: Convert to fraction form
    220,395.33/330,539.54 = 101,953.49/x
  3. Step 3: Cross multiply
    220,395.33x = 330,539.54 × 101,953.49
  4. Step 4: Simplify right side
    220,395.33x = 33,699,657,523.53
  5. Step 5: Solve for x
    x = 33,699,657,523.53/220,395.33
  6. Step 6: Final answer
    x = 152,905.50

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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.