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Finding the Fourth Proportional to 111,802.01, 167,703.02 and 28,696.01

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Solution

The fourth proportional to 111,802.01, 167,703.02 and 28,696.01 is: 43,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,802.01 : 167,703.02 = 28,696.01 : x
  2. Step 2: Convert to fraction form
    111,802.01/167,703.02 = 28,696.01/x
  3. Step 3: Cross multiply
    111,802.01x = 167,703.02 × 28,696.01
  4. Step 4: Simplify right side
    111,802.01x = 4,812,407,395.47
  5. Step 5: Solve for x
    x = 4,812,407,395.47/111,802.01
  6. Step 6: Final answer
    x = 43,044.02

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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.