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Finding the Fourth Proportional to 157,662.07, 236,352.46 and 57,798.95

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Solution

The fourth proportional to 157,662.07, 236,352.46 and 57,798.95 is: 86,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,662.07 : 236,352.46 = 57,798.95 : x
  2. Step 2: Convert to fraction form
    157,662.07/236,352.46 = 57,798.95/x
  3. Step 3: Cross multiply
    157,662.07x = 236,352.46 × 57,798.95
  4. Step 4: Simplify right side
    157,662.07x = 13,660,924,017.92
  5. Step 5: Solve for x
    x = 13,660,924,017.92/157,662.07
  6. Step 6: Final answer
    x = 86,646.86

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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.