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Finding the Fourth Proportional to 163,075.80, 244,383.30 and 120,624.60

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Solution

The fourth proportional to 163,075.80, 244,383.30 and 120,624.60 is: 180,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,075.80 : 244,383.30 = 120,624.60 : x
  2. Step 2: Convert to fraction form
    163,075.80/244,383.30 = 120,624.60/x
  3. Step 3: Cross multiply
    163,075.80x = 244,383.30 × 120,624.60
  4. Step 4: Simplify right side
    163,075.80x = 29,478,637,809.18
  5. Step 5: Solve for x
    x = 29,478,637,809.18/163,075.80
  6. Step 6: Final answer
    x = 180,766.48

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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.