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Finding the Fourth Proportional to 119,361.51, 164,678.52 and 67,673.05

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Solution

The fourth proportional to 119,361.51, 164,678.52 and 67,673.05 is: 93,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,361.51 : 164,678.52 = 67,673.05 : x
  2. Step 2: Convert to fraction form
    119,361.51/164,678.52 = 67,673.05/x
  3. Step 3: Cross multiply
    119,361.51x = 164,678.52 × 67,673.05
  4. Step 4: Simplify right side
    119,361.51x = 11,144,297,717.89
  5. Step 5: Solve for x
    x = 11,144,297,717.89/119,361.51
  6. Step 6: Final answer
    x = 93,365.92

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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.