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Finding the Fourth Proportional to 102,548.40, 153,822.60 and 93,994.80

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Solution

The fourth proportional to 102,548.40, 153,822.60 and 93,994.80 is: 140,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,548.40 : 153,822.60 = 93,994.80 : x
  2. Step 2: Convert to fraction form
    102,548.40/153,822.60 = 93,994.80/x
  3. Step 3: Cross multiply
    102,548.40x = 153,822.60 × 93,994.80
  4. Step 4: Simplify right side
    102,548.40x = 14,458,524,522.48
  5. Step 5: Solve for x
    x = 14,458,524,522.48/102,548.40
  6. Step 6: Final answer
    x = 140,992.20

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1.5x scale

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.