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Finding the Fourth Proportional to 118,603.33, 163,656.44 and 70,846.54

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Solution

The fourth proportional to 118,603.33, 163,656.44 and 70,846.54 is: 97,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,603.33 : 163,656.44 = 70,846.54 : x
  2. Step 2: Convert to fraction form
    118,603.33/163,656.44 = 70,846.54/x
  3. Step 3: Cross multiply
    118,603.33x = 163,656.44 × 70,846.54
  4. Step 4: Simplify right side
    118,603.33x = 11,594,492,522.72
  5. Step 5: Solve for x
    x = 11,594,492,522.72/118,603.33
  6. Step 6: Final answer
    x = 97,758.57

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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.