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Finding the Fourth Proportional to 119,015.14, 164,239.60 and 65,300.14

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Solution

The fourth proportional to 119,015.14, 164,239.60 and 65,300.14 is: 90,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,015.14 : 164,239.60 = 65,300.14 : x
  2. Step 2: Convert to fraction form
    119,015.14/164,239.60 = 65,300.14/x
  3. Step 3: Cross multiply
    119,015.14x = 164,239.60 × 65,300.14
  4. Step 4: Simplify right side
    119,015.14x = 10,724,868,345.15
  5. Step 5: Solve for x
    x = 10,724,868,345.15/119,015.14
  6. Step 6: Final answer
    x = 90,113.48

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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.