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Finding the Fourth Proportional to 191,675.76, 287,503.80 and 73,338

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Solution

The fourth proportional to 191,675.76, 287,503.80 and 73,338 is: 110,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,675.76 : 287,503.80 = 73,338 : x
  2. Step 2: Convert to fraction form
    191,675.76/287,503.80 = 73,338/x
  3. Step 3: Cross multiply
    191,675.76x = 287,503.80 × 73,338
  4. Step 4: Simplify right side
    191,675.76x = 21,084,953,684.40
  5. Step 5: Solve for x
    x = 21,084,953,684.40/191,675.76
  6. Step 6: Final answer
    x = 110,003.24

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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.