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Finding the Fourth Proportional to 202,265.90, 303,325.95 and 102,392.90

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Solution

The fourth proportional to 202,265.90, 303,325.95 and 102,392.90 is: 153,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,265.90 : 303,325.95 = 102,392.90 : x
  2. Step 2: Convert to fraction form
    202,265.90/303,325.95 = 102,392.90/x
  3. Step 3: Cross multiply
    202,265.90x = 303,325.95 × 102,392.90
  4. Step 4: Simplify right side
    202,265.90x = 31,058,423,665.76
  5. Step 5: Solve for x
    x = 31,058,423,665.76/202,265.90
  6. Step 6: Final answer
    x = 153,552.45

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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.