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Finding the Fourth Proportional to 235,962.72, 353,860.70 and 76,032.26

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Solution

The fourth proportional to 235,962.72, 353,860.70 and 76,032.26 is: 114,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,962.72 : 353,860.70 = 76,032.26 : x
  2. Step 2: Convert to fraction form
    235,962.72/353,860.70 = 76,032.26/x
  3. Step 3: Cross multiply
    235,962.72x = 353,860.70 × 76,032.26
  4. Step 4: Simplify right side
    235,962.72x = 26,904,828,746.18
  5. Step 5: Solve for x
    x = 26,904,828,746.18/235,962.72
  6. Step 6: Final answer
    x = 114,021.52

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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.