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Finding the Fourth Proportional to 270,617.02, 405,894.32 and 70,953.26

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Solution

The fourth proportional to 270,617.02, 405,894.32 and 70,953.26 is: 106,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,617.02 : 405,894.32 = 70,953.26 : x
  2. Step 2: Convert to fraction form
    270,617.02/405,894.32 = 70,953.26/x
  3. Step 3: Cross multiply
    270,617.02x = 405,894.32 × 70,953.26
  4. Step 4: Simplify right side
    270,617.02x = 28,799,525,219.48
  5. Step 5: Solve for x
    x = 28,799,525,219.48/270,617.02
  6. Step 6: Final answer
    x = 106,421.71

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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.