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Finding the Fourth Proportional to 213,563.34, 294,705.63 and 118,064.34

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Solution

The fourth proportional to 213,563.34, 294,705.63 and 118,064.34 is: 162,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,563.34 : 294,705.63 = 118,064.34 : x
  2. Step 2: Convert to fraction form
    213,563.34/294,705.63 = 118,064.34/x
  3. Step 3: Cross multiply
    213,563.34x = 294,705.63 × 118,064.34
  4. Step 4: Simplify right side
    213,563.34x = 34,794,225,700.23
  5. Step 5: Solve for x
    x = 34,794,225,700.23/213,563.34
  6. Step 6: Final answer
    x = 162,922.28

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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.