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Finding the Fourth Proportional to 111,873.84, 167,756.22 and 39,802.76

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Solution

The fourth proportional to 111,873.84, 167,756.22 and 39,802.76 is: 59,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,873.84 : 167,756.22 = 39,802.76 : x
  2. Step 2: Convert to fraction form
    111,873.84/167,756.22 = 39,802.76/x
  3. Step 3: Cross multiply
    111,873.84x = 167,756.22 × 39,802.76
  4. Step 4: Simplify right side
    111,873.84x = 6,677,160,563.17
  5. Step 5: Solve for x
    x = 6,677,160,563.17/111,873.84
  6. Step 6: Final answer
    x = 59,684.74

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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.