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Finding the Fourth Proportional to 157,323.79, 236,019.86 and 57,483.82

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Solution

The fourth proportional to 157,323.79, 236,019.86 and 57,483.82 is: 86,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,323.79 : 236,019.86 = 57,483.82 : x
  2. Step 2: Convert to fraction form
    157,323.79/236,019.86 = 57,483.82/x
  3. Step 3: Cross multiply
    157,323.79x = 236,019.86 × 57,483.82
  4. Step 4: Simplify right side
    157,323.79x = 13,567,323,451.30
  5. Step 5: Solve for x
    x = 13,567,323,451.30/157,323.79
  6. Step 6: Final answer
    x = 86,238.22

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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.