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Finding the Fourth Proportional to 118,968.70, 164,173.99 and 65,253.25

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Solution

The fourth proportional to 118,968.70, 164,173.99 and 65,253.25 is: 90,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,968.70 : 164,173.99 = 65,253.25 : x
  2. Step 2: Convert to fraction form
    118,968.70/164,173.99 = 65,253.25/x
  3. Step 3: Cross multiply
    118,968.70x = 164,173.99 × 65,253.25
  4. Step 4: Simplify right side
    118,968.70x = 10,712,885,653.92
  5. Step 5: Solve for x
    x = 10,712,885,653.92/118,968.70
  6. Step 6: Final answer
    x = 90,047.93

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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.