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Finding the Fourth Proportional to 243,563.34, 336,093.66 and 152,890.32

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Solution

The fourth proportional to 243,563.34, 336,093.66 and 152,890.32 is: 210,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,563.34 : 336,093.66 = 152,890.32 : x
  2. Step 2: Convert to fraction form
    243,563.34/336,093.66 = 152,890.32/x
  3. Step 3: Cross multiply
    243,563.34x = 336,093.66 × 152,890.32
  4. Step 4: Simplify right side
    243,563.34x = 51,385,467,227.37
  5. Step 5: Solve for x
    x = 51,385,467,227.37/243,563.34
  6. Step 6: Final answer
    x = 210,973.73

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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.