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Finding the Fourth Proportional to 118,344.84, 177,518.82 and 39,459.09

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Solution

The fourth proportional to 118,344.84, 177,518.82 and 39,459.09 is: 59,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,344.84 : 177,518.82 = 39,459.09 : x
  2. Step 2: Convert to fraction form
    118,344.84/177,518.82 = 39,459.09/x
  3. Step 3: Cross multiply
    118,344.84x = 177,518.82 × 39,459.09
  4. Step 4: Simplify right side
    118,344.84x = 7,004,731,095.07
  5. Step 5: Solve for x
    x = 7,004,731,095.07/118,344.84
  6. Step 6: Final answer
    x = 59,189.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.