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Finding the Fourth Proportional to 223,033.50, 307,792.71 and 122,437.98

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Solution

The fourth proportional to 223,033.50, 307,792.71 and 122,437.98 is: 168,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,033.50 : 307,792.71 = 122,437.98 : x
  2. Step 2: Convert to fraction form
    223,033.50/307,792.71 = 122,437.98/x
  3. Step 3: Cross multiply
    223,033.50x = 307,792.71 × 122,437.98
  4. Step 4: Simplify right side
    223,033.50x = 37,685,517,671.13
  5. Step 5: Solve for x
    x = 37,685,517,671.13/223,033.50
  6. Step 6: Final answer
    x = 168,967.97

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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.