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Finding the Fourth Proportional to 111,447.90, 167,192.10 and 36,547.20

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Solution

The fourth proportional to 111,447.90, 167,192.10 and 36,547.20 is: 54,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,447.90 : 167,192.10 = 36,547.20 : x
  2. Step 2: Convert to fraction form
    111,447.90/167,192.10 = 36,547.20/x
  3. Step 3: Cross multiply
    111,447.90x = 167,192.10 × 36,547.20
  4. Step 4: Simplify right side
    111,447.90x = 6,110,403,117.12
  5. Step 5: Solve for x
    x = 6,110,403,117.12/111,447.90
  6. Step 6: Final answer
    x = 54,827.44

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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.