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Finding the Fourth Proportional to 352,538.16, 528,801.22 and 112,650.32

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Solution

The fourth proportional to 352,538.16, 528,801.22 and 112,650.32 is: 168,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,538.16 : 528,801.22 = 112,650.32 : x
  2. Step 2: Convert to fraction form
    352,538.16/528,801.22 = 112,650.32/x
  3. Step 3: Cross multiply
    352,538.16x = 528,801.22 × 112,650.32
  4. Step 4: Simplify right side
    352,538.16x = 59,569,626,783.37
  5. Step 5: Solve for x
    x = 59,569,626,783.37/352,538.16
  6. Step 6: Final answer
    x = 168,973.56

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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.