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Finding the Fourth Proportional to 157,690.55, 236,395.15 and 57,827.41

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Solution

The fourth proportional to 157,690.55, 236,395.15 and 57,827.41 is: 86,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,690.55 : 236,395.15 = 57,827.41 : x
  2. Step 2: Convert to fraction form
    157,690.55/236,395.15 = 57,827.41/x
  3. Step 3: Cross multiply
    157,690.55x = 236,395.15 × 57,827.41
  4. Step 4: Simplify right side
    157,690.55x = 13,670,118,525.51
  5. Step 5: Solve for x
    x = 13,670,118,525.51/157,690.55
  6. Step 6: Final answer
    x = 86,689.52

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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.