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Finding the Fourth Proportional to 157,799.22, 236,703.69 and 69,007.02

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Solution

The fourth proportional to 157,799.22, 236,703.69 and 69,007.02 is: 103,512.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,799.22 : 236,703.69 = 69,007.02 : x
  2. Step 2: Convert to fraction form
    157,799.22/236,703.69 = 69,007.02/x
  3. Step 3: Cross multiply
    157,799.22x = 236,703.69 × 69,007.02
  4. Step 4: Simplify right side
    157,799.22x = 16,334,216,269.90
  5. Step 5: Solve for x
    x = 16,334,216,269.90/157,799.22
  6. Step 6: Final answer
    x = 103,512.66

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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.