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Finding the Fourth Proportional to 308,083.04, 425,155.88 and 168,384.46

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Solution

The fourth proportional to 308,083.04, 425,155.88 and 168,384.46 is: 232,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,083.04 : 425,155.88 = 168,384.46 : x
  2. Step 2: Convert to fraction form
    308,083.04/425,155.88 = 168,384.46/x
  3. Step 3: Cross multiply
    308,083.04x = 425,155.88 × 168,384.46
  4. Step 4: Simplify right side
    308,083.04x = 71,589,643,269.62
  5. Step 5: Solve for x
    x = 71,589,643,269.62/308,083.04
  6. Step 6: Final answer
    x = 232,371.26

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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.