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Finding the Fourth Proportional to 94,487.36, 130,261.80 and 67,582.88

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Solution

The fourth proportional to 94,487.36, 130,261.80 and 67,582.88 is: 93,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,487.36 : 130,261.80 = 67,582.88 : x
  2. Step 2: Convert to fraction form
    94,487.36/130,261.80 = 67,582.88/x
  3. Step 3: Cross multiply
    94,487.36x = 130,261.80 × 67,582.88
  4. Step 4: Simplify right side
    94,487.36x = 8,803,467,597.98
  5. Step 5: Solve for x
    x = 8,803,467,597.98/94,487.36
  6. Step 6: Final answer
    x = 93,170.85

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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.