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Finding the Fourth Proportional to 157,883.76, 236,737.80 and 52,645.32

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Solution

The fourth proportional to 157,883.76, 236,737.80 and 52,645.32 is: 78,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,883.76 : 236,737.80 = 52,645.32 : x
  2. Step 2: Convert to fraction form
    157,883.76/236,737.80 = 52,645.32/x
  3. Step 3: Cross multiply
    157,883.76x = 236,737.80 × 52,645.32
  4. Step 4: Simplify right side
    157,883.76x = 12,463,137,237.10
  5. Step 5: Solve for x
    x = 12,463,137,237.10/157,883.76
  6. Step 6: Final answer
    x = 78,938.69

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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.