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Finding the Fourth Proportional to 203,466.63, 280,726.68 and 160,312.34

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Solution

The fourth proportional to 203,466.63, 280,726.68 and 160,312.34 is: 221,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,466.63 : 280,726.68 = 160,312.34 : x
  2. Step 2: Convert to fraction form
    203,466.63/280,726.68 = 160,312.34/x
  3. Step 3: Cross multiply
    203,466.63x = 280,726.68 × 160,312.34
  4. Step 4: Simplify right side
    203,466.63x = 45,003,949,567.60
  5. Step 5: Solve for x
    x = 45,003,949,567.60/203,466.63
  6. Step 6: Final answer
    x = 221,185.90

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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.