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Finding the Fourth Proportional to 157,351.72, 236,027.58 and 46,543.72

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Solution

The fourth proportional to 157,351.72, 236,027.58 and 46,543.72 is: 69,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,351.72 : 236,027.58 = 46,543.72 : x
  2. Step 2: Convert to fraction form
    157,351.72/236,027.58 = 46,543.72/x
  3. Step 3: Cross multiply
    157,351.72x = 236,027.58 × 46,543.72
  4. Step 4: Simplify right side
    157,351.72x = 10,985,601,595.80
  5. Step 5: Solve for x
    x = 10,985,601,595.80/157,351.72
  6. Step 6: Final answer
    x = 69,815.58

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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.