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Finding the Fourth Proportional to 223,415.10, 335,122.65 and 130,103.10

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Solution

The fourth proportional to 223,415.10, 335,122.65 and 130,103.10 is: 195,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,415.10 : 335,122.65 = 130,103.10 : x
  2. Step 2: Convert to fraction form
    223,415.10/335,122.65 = 130,103.10/x
  3. Step 3: Cross multiply
    223,415.10x = 335,122.65 × 130,103.10
  4. Step 4: Simplify right side
    223,415.10x = 43,600,495,645.22
  5. Step 5: Solve for x
    x = 43,600,495,645.22/223,415.10
  6. Step 6: Final answer
    x = 195,154.65

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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.