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Finding the Fourth Proportional to 111,967.60, 154,547.04 and 73,755.04

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Solution

The fourth proportional to 111,967.60, 154,547.04 and 73,755.04 is: 101,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,967.60 : 154,547.04 = 73,755.04 : x
  2. Step 2: Convert to fraction form
    111,967.60/154,547.04 = 73,755.04/x
  3. Step 3: Cross multiply
    111,967.60x = 154,547.04 × 73,755.04
  4. Step 4: Simplify right side
    111,967.60x = 11,398,623,117.08
  5. Step 5: Solve for x
    x = 11,398,623,117.08/111,967.60
  6. Step 6: Final answer
    x = 101,802.87

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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.