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Finding the Fourth Proportional to 200,088.20, 299,476.20 and 155,473.40

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Solution

The fourth proportional to 200,088.20, 299,476.20 and 155,473.40 is: 232,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,088.20 : 299,476.20 = 155,473.40 : x
  2. Step 2: Convert to fraction form
    200,088.20/299,476.20 = 155,473.40/x
  3. Step 3: Cross multiply
    200,088.20x = 299,476.20 × 155,473.40
  4. Step 4: Simplify right side
    200,088.20x = 46,560,583,033.08
  5. Step 5: Solve for x
    x = 46,560,583,033.08/200,088.20
  6. Step 6: Final answer
    x = 232,700.29

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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.