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Finding the Fourth Proportional to 243,778.32, 365,790.56 and 110,573.68

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Solution

The fourth proportional to 243,778.32, 365,790.56 and 110,573.68 is: 165,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,778.32 : 365,790.56 = 110,573.68 : x
  2. Step 2: Convert to fraction form
    243,778.32/365,790.56 = 110,573.68/x
  3. Step 3: Cross multiply
    243,778.32x = 365,790.56 × 110,573.68
  4. Step 4: Simplify right side
    243,778.32x = 40,446,808,328.46
  5. Step 5: Solve for x
    x = 40,446,808,328.46/243,778.32
  6. Step 6: Final answer
    x = 165,916.35

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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.