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Finding the Fourth Proportional to 70,857.69, 106,036.81 and 44,216.23

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Solution

The fourth proportional to 70,857.69, 106,036.81 and 44,216.23 is: 66,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,857.69 : 106,036.81 = 44,216.23 : x
  2. Step 2: Convert to fraction form
    70,857.69/106,036.81 = 44,216.23/x
  3. Step 3: Cross multiply
    70,857.69x = 106,036.81 × 44,216.23
  4. Step 4: Simplify right side
    70,857.69x = 4,688,547,979.43
  5. Step 5: Solve for x
    x = 4,688,547,979.43/70,857.69
  6. Step 6: Final answer
    x = 66,168.51

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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.