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Finding the Fourth Proportional to 371,043.68, 556,520.16 and 157,897.25

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Solution

The fourth proportional to 371,043.68, 556,520.16 and 157,897.25 is: 236,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,043.68 : 556,520.16 = 157,897.25 : x
  2. Step 2: Convert to fraction form
    371,043.68/556,520.16 = 157,897.25/x
  3. Step 3: Cross multiply
    371,043.68x = 556,520.16 × 157,897.25
  4. Step 4: Simplify right side
    371,043.68x = 87,873,000,050.96
  5. Step 5: Solve for x
    x = 87,873,000,050.96/371,043.68
  6. Step 6: Final answer
    x = 236,826.56

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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.