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Finding the Fourth Proportional to 183,466.47, 253,081.20 and 115,458.06

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Solution

The fourth proportional to 183,466.47, 253,081.20 and 115,458.06 is: 159,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,466.47 : 253,081.20 = 115,458.06 : x
  2. Step 2: Convert to fraction form
    183,466.47/253,081.20 = 115,458.06/x
  3. Step 3: Cross multiply
    183,466.47x = 253,081.20 × 115,458.06
  4. Step 4: Simplify right side
    183,466.47x = 29,220,264,374.47
  5. Step 5: Solve for x
    x = 29,220,264,374.47/183,466.47
  6. Step 6: Final answer
    x = 159,267.60

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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.