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Finding the Fourth Proportional to 111,636.94, 167,460.87 and 45,068.75

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Solution

The fourth proportional to 111,636.94, 167,460.87 and 45,068.75 is: 67,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,636.94 : 167,460.87 = 45,068.75 : x
  2. Step 2: Convert to fraction form
    111,636.94/167,460.87 = 45,068.75/x
  3. Step 3: Cross multiply
    111,636.94x = 167,460.87 × 45,068.75
  4. Step 4: Simplify right side
    111,636.94x = 7,547,251,859.47
  5. Step 5: Solve for x
    x = 7,547,251,859.47/111,636.94
  6. Step 6: Final answer
    x = 67,605.33

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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.