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Finding the Fourth Proportional to 157,623.40, 236,435.10 and 98,525.80

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Solution

The fourth proportional to 157,623.40, 236,435.10 and 98,525.80 is: 147,788.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,623.40 : 236,435.10 = 98,525.80 : x
  2. Step 2: Convert to fraction form
    157,623.40/236,435.10 = 98,525.80/x
  3. Step 3: Cross multiply
    157,623.40x = 236,435.10 × 98,525.80
  4. Step 4: Simplify right side
    157,623.40x = 23,294,957,375.58
  5. Step 5: Solve for x
    x = 23,294,957,375.58/157,623.40
  6. Step 6: Final answer
    x = 147,788.70

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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.