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Finding the Fourth Proportional to 238,272.21, 357,303.35 and 111,948.36

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Solution

The fourth proportional to 238,272.21, 357,303.35 and 111,948.36 is: 167,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,272.21 : 357,303.35 = 111,948.36 : x
  2. Step 2: Convert to fraction form
    238,272.21/357,303.35 = 111,948.36/x
  3. Step 3: Cross multiply
    238,272.21x = 357,303.35 × 111,948.36
  4. Step 4: Simplify right side
    238,272.21x = 39,999,523,495.26
  5. Step 5: Solve for x
    x = 39,999,523,495.26/238,272.21
  6. Step 6: Final answer
    x = 167,873.22

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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.