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Finding the Fourth Proportional to 157,592.59, 236,357.09 and 57,718.68

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Solution

The fourth proportional to 157,592.59, 236,357.09 and 57,718.68 is: 86,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,592.59 : 236,357.09 = 57,718.68 : x
  2. Step 2: Convert to fraction form
    157,592.59/236,357.09 = 57,718.68/x
  3. Step 3: Cross multiply
    157,592.59x = 236,357.09 × 57,718.68
  4. Step 4: Simplify right side
    157,592.59x = 13,642,218,284.95
  5. Step 5: Solve for x
    x = 13,642,218,284.95/157,592.59
  6. Step 6: Final answer
    x = 86,566.37

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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.