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Finding the Fourth Proportional to 119,369.57, 164,645.60 and 101,340.45

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Solution

The fourth proportional to 119,369.57, 164,645.60 and 101,340.45 is: 139,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,369.57 : 164,645.60 = 101,340.45 : x
  2. Step 2: Convert to fraction form
    119,369.57/164,645.60 = 101,340.45/x
  3. Step 3: Cross multiply
    119,369.57x = 164,645.60 × 101,340.45
  4. Step 4: Simplify right side
    119,369.57x = 16,685,258,687.82
  5. Step 5: Solve for x
    x = 16,685,258,687.82/119,369.57
  6. Step 6: Final answer
    x = 139,778.16

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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.