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Finding the Fourth Proportional to 200,356.13, 300,526.91 and 60,111.11

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Solution

The fourth proportional to 200,356.13, 300,526.91 and 60,111.11 is: 90,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,356.13 : 300,526.91 = 60,111.11 : x
  2. Step 2: Convert to fraction form
    200,356.13/300,526.91 = 60,111.11/x
  3. Step 3: Cross multiply
    200,356.13x = 300,526.91 × 60,111.11
  4. Step 4: Simplify right side
    200,356.13x = 18,065,006,821.15
  5. Step 5: Solve for x
    x = 18,065,006,821.15/200,356.13
  6. Step 6: Final answer
    x = 90,164.48

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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.