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Finding the Fourth Proportional to 161,893, 223,412.34 and 94,825

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Solution

The fourth proportional to 161,893, 223,412.34 and 94,825 is: 130,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,893 : 223,412.34 = 94,825 : x
  2. Step 2: Convert to fraction form
    161,893/223,412.34 = 94,825/x
  3. Step 3: Cross multiply
    161,893x = 223,412.34 × 94,825
  4. Step 4: Simplify right side
    161,893x = 21,185,075,140.50
  5. Step 5: Solve for x
    x = 21,185,075,140.50/161,893
  6. Step 6: Final answer
    x = 130,858.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.