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Finding the Fourth Proportional to 180,354.84, 248,969.39 and 107,783.34

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Solution

The fourth proportional to 180,354.84, 248,969.39 and 107,783.34 is: 148,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,354.84 : 248,969.39 = 107,783.34 : x
  2. Step 2: Convert to fraction form
    180,354.84/248,969.39 = 107,783.34/x
  3. Step 3: Cross multiply
    180,354.84x = 248,969.39 × 107,783.34
  4. Step 4: Simplify right side
    180,354.84x = 26,834,752,411.96
  5. Step 5: Solve for x
    x = 26,834,752,411.96/180,354.84
  6. Step 6: Final answer
    x = 148,788.65

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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.