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Finding the Fourth Proportional to 214,421.50, 295,903.05 and 118,928.44

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Solution

The fourth proportional to 214,421.50, 295,903.05 and 118,928.44 is: 164,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,421.50 : 295,903.05 = 118,928.44 : x
  2. Step 2: Convert to fraction form
    214,421.50/295,903.05 = 118,928.44/x
  3. Step 3: Cross multiply
    214,421.50x = 295,903.05 × 118,928.44
  4. Step 4: Simplify right side
    214,421.50x = 35,191,288,127.74
  5. Step 5: Solve for x
    x = 35,191,288,127.74/214,421.50
  6. Step 6: Final answer
    x = 164,122.01

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1.5x scale

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.