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Finding the Fourth Proportional to 234,804.30, 352,173.51 and 77,012.25

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Solution

The fourth proportional to 234,804.30, 352,173.51 and 77,012.25 is: 115,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,804.30 : 352,173.51 = 77,012.25 : x
  2. Step 2: Convert to fraction form
    234,804.30/352,173.51 = 77,012.25/x
  3. Step 3: Cross multiply
    234,804.30x = 352,173.51 × 77,012.25
  4. Step 4: Simplify right side
    234,804.30x = 27,121,674,395.50
  5. Step 5: Solve for x
    x = 27,121,674,395.50/234,804.30
  6. Step 6: Final answer
    x = 115,507.57

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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.