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Finding the Fourth Proportional to 70,774.61, 97,672.18 and 43,925.77

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Solution

The fourth proportional to 70,774.61, 97,672.18 and 43,925.77 is: 60,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,774.61 : 97,672.18 = 43,925.77 : x
  2. Step 2: Convert to fraction form
    70,774.61/97,672.18 = 43,925.77/x
  3. Step 3: Cross multiply
    70,774.61x = 97,672.18 × 43,925.77
  4. Step 4: Simplify right side
    70,774.61x = 4,290,325,360.08
  5. Step 5: Solve for x
    x = 4,290,325,360.08/70,774.61
  6. Step 6: Final answer
    x = 60,619.55

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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.