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Finding the Fourth Proportional to 157,662.11, 236,352.51 and 57,798.98

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Solution

The fourth proportional to 157,662.11, 236,352.51 and 57,798.98 is: 86,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,662.11 : 236,352.51 = 57,798.98 : x
  2. Step 2: Convert to fraction form
    157,662.11/236,352.51 = 57,798.98/x
  3. Step 3: Cross multiply
    157,662.11x = 236,352.51 × 57,798.98
  4. Step 4: Simplify right side
    157,662.11x = 13,660,934,589.32
  5. Step 5: Solve for x
    x = 13,660,934,589.32/157,662.11
  6. Step 6: Final answer
    x = 86,646.91

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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.