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Finding the Fourth Proportional to 202,220.40, 303,330.60 and 69,068.55

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Solution

The fourth proportional to 202,220.40, 303,330.60 and 69,068.55 is: 103,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,220.40 : 303,330.60 = 69,068.55 : x
  2. Step 2: Convert to fraction form
    202,220.40/303,330.60 = 69,068.55/x
  3. Step 3: Cross multiply
    202,220.40x = 303,330.60 × 69,068.55
  4. Step 4: Simplify right side
    202,220.40x = 20,950,604,712.63
  5. Step 5: Solve for x
    x = 20,950,604,712.63/202,220.40
  6. Step 6: Final answer
    x = 103,602.83

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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.