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Finding the Fourth Proportional to 119,603.61, 165,052.22 and 65,887.38

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Solution

The fourth proportional to 119,603.61, 165,052.22 and 65,887.38 is: 90,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,603.61 : 165,052.22 = 65,887.38 : x
  2. Step 2: Convert to fraction form
    119,603.61/165,052.22 = 65,887.38/x
  3. Step 3: Cross multiply
    119,603.61x = 165,052.22 × 65,887.38
  4. Step 4: Simplify right side
    119,603.61x = 10,874,858,009.55
  5. Step 5: Solve for x
    x = 10,874,858,009.55/119,603.61
  6. Step 6: Final answer
    x = 90,924.16

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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.