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Finding the Fourth Proportional to 202,267.90, 303,328.95 and 102,394.90

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Solution

The fourth proportional to 202,267.90, 303,328.95 and 102,394.90 is: 153,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,267.90 : 303,328.95 = 102,394.90 : x
  2. Step 2: Convert to fraction form
    202,267.90/303,328.95 = 102,394.90/x
  3. Step 3: Cross multiply
    202,267.90x = 303,328.95 × 102,394.90
  4. Step 4: Simplify right side
    202,267.90x = 31,059,337,502.36
  5. Step 5: Solve for x
    x = 31,059,337,502.36/202,267.90
  6. Step 6: Final answer
    x = 153,555.45

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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.