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Finding the Fourth Proportional to 70,094.19, 105,248.03 and 67,822.50

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Solution

The fourth proportional to 70,094.19, 105,248.03 and 67,822.50 is: 101,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,094.19 : 105,248.03 = 67,822.50 : x
  2. Step 2: Convert to fraction form
    70,094.19/105,248.03 = 67,822.50/x
  3. Step 3: Cross multiply
    70,094.19x = 105,248.03 × 67,822.50
  4. Step 4: Simplify right side
    70,094.19x = 7,138,184,175.56
  5. Step 5: Solve for x
    x = 7,138,184,175.56/70,094.19
  6. Step 6: Final answer
    x = 101,837.03

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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.