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Finding the Fourth Proportional to 70,026.95, 105,054.08 and 22,653.78

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Solution

The fourth proportional to 70,026.95, 105,054.08 and 22,653.78 is: 33,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,026.95 : 105,054.08 = 22,653.78 : x
  2. Step 2: Convert to fraction form
    70,026.95/105,054.08 = 22,653.78/x
  3. Step 3: Cross multiply
    70,026.95x = 105,054.08 × 22,653.78
  4. Step 4: Simplify right side
    70,026.95x = 2,379,871,903.15
  5. Step 5: Solve for x
    x = 2,379,871,903.15/70,026.95
  6. Step 6: Final answer
    x = 33,985.09

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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.