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Finding the Fourth Proportional to 219,855.60, 329,783.40 and 70,094.70

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Solution

The fourth proportional to 219,855.60, 329,783.40 and 70,094.70 is: 105,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,855.60 : 329,783.40 = 70,094.70 : x
  2. Step 2: Convert to fraction form
    219,855.60/329,783.40 = 70,094.70/x
  3. Step 3: Cross multiply
    219,855.60x = 329,783.40 × 70,094.70
  4. Step 4: Simplify right side
    219,855.60x = 23,116,068,487.98
  5. Step 5: Solve for x
    x = 23,116,068,487.98/219,855.60
  6. Step 6: Final answer
    x = 105,142.05

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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.