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Finding the Fourth Proportional to 157,503.60, 236,104.20 and 52,268.40

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Solution

The fourth proportional to 157,503.60, 236,104.20 and 52,268.40 is: 78,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,503.60 : 236,104.20 = 52,268.40 : x
  2. Step 2: Convert to fraction form
    157,503.60/236,104.20 = 52,268.40/x
  3. Step 3: Cross multiply
    157,503.60x = 236,104.20 × 52,268.40
  4. Step 4: Simplify right side
    157,503.60x = 12,340,788,767.28
  5. Step 5: Solve for x
    x = 12,340,788,767.28/157,503.60
  6. Step 6: Final answer
    x = 78,352.42

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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.