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Finding the Fourth Proportional to 213,953.61, 295,265.20 and 118,460.30

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Solution

The fourth proportional to 213,953.61, 295,265.20 and 118,460.30 is: 163,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,953.61 : 295,265.20 = 118,460.30 : x
  2. Step 2: Convert to fraction form
    213,953.61/295,265.20 = 118,460.30/x
  3. Step 3: Cross multiply
    213,953.61x = 295,265.20 × 118,460.30
  4. Step 4: Simplify right side
    213,953.61x = 34,977,204,171.56
  5. Step 5: Solve for x
    x = 34,977,204,171.56/213,953.61
  6. Step 6: Final answer
    x = 163,480.32

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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.