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Finding the Fourth Proportional to 158,135.60, 218,205.60 and 94,459.88

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Solution

The fourth proportional to 158,135.60, 218,205.60 and 94,459.88 is: 130,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,135.60 : 218,205.60 = 94,459.88 : x
  2. Step 2: Convert to fraction form
    158,135.60/218,205.60 = 94,459.88/x
  3. Step 3: Cross multiply
    158,135.60x = 218,205.60 × 94,459.88
  4. Step 4: Simplify right side
    158,135.60x = 20,611,673,700.30
  5. Step 5: Solve for x
    x = 20,611,673,700.30/158,135.60
  6. Step 6: Final answer
    x = 130,341.77

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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.