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Finding the Fourth Proportional to 213,807.17, 320,707.32 and 73,567.01

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Solution

The fourth proportional to 213,807.17, 320,707.32 and 73,567.01 is: 110,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,807.17 : 320,707.32 = 73,567.01 : x
  2. Step 2: Convert to fraction form
    213,807.17/320,707.32 = 73,567.01/x
  3. Step 3: Cross multiply
    213,807.17x = 320,707.32 × 73,567.01
  4. Step 4: Simplify right side
    213,807.17x = 23,593,478,249.68
  5. Step 5: Solve for x
    x = 23,593,478,249.68/213,807.17
  6. Step 6: Final answer
    x = 110,349.33

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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.