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Finding the Fourth Proportional to 183,376.75, 253,072.06 and 102,809.49

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Solution

The fourth proportional to 183,376.75, 253,072.06 and 102,809.49 is: 141,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,376.75 : 253,072.06 = 102,809.49 : x
  2. Step 2: Convert to fraction form
    183,376.75/253,072.06 = 102,809.49/x
  3. Step 3: Cross multiply
    183,376.75x = 253,072.06 × 102,809.49
  4. Step 4: Simplify right side
    183,376.75x = 26,018,209,421.85
  5. Step 5: Solve for x
    x = 26,018,209,421.85/183,376.75
  6. Step 6: Final answer
    x = 141,883.91

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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.