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Finding the Fourth Proportional to 94,259, 141,388.50 and 28,595

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Solution

The fourth proportional to 94,259, 141,388.50 and 28,595 is: 42,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,259 : 141,388.50 = 28,595 : x
  2. Step 2: Convert to fraction form
    94,259/141,388.50 = 28,595/x
  3. Step 3: Cross multiply
    94,259x = 141,388.50 × 28,595
  4. Step 4: Simplify right side
    94,259x = 4,043,004,157.50
  5. Step 5: Solve for x
    x = 4,043,004,157.50/94,259
  6. Step 6: Final answer
    x = 42,892.50

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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.