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Finding the Fourth Proportional to 220,127.50, 303,775.98 and 119,525.50

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Solution

The fourth proportional to 220,127.50, 303,775.98 and 119,525.50 is: 164,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,127.50 : 303,775.98 = 119,525.50 : x
  2. Step 2: Convert to fraction form
    220,127.50/303,775.98 = 119,525.50/x
  3. Step 3: Cross multiply
    220,127.50x = 303,775.98 × 119,525.50
  4. Step 4: Simplify right side
    220,127.50x = 36,308,975,897.49
  5. Step 5: Solve for x
    x = 36,308,975,897.49/220,127.50
  6. Step 6: Final answer
    x = 164,945.21

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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.