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Finding the Fourth Proportional to 183,263.66, 252,903.52 and 111,643.68

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Solution

The fourth proportional to 183,263.66, 252,903.52 and 111,643.68 is: 154,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,263.66 : 252,903.52 = 111,643.68 : x
  2. Step 2: Convert to fraction form
    183,263.66/252,903.52 = 111,643.68/x
  3. Step 3: Cross multiply
    183,263.66x = 252,903.52 × 111,643.68
  4. Step 4: Simplify right side
    183,263.66x = 28,235,078,695.12
  5. Step 5: Solve for x
    x = 28,235,078,695.12/183,263.66
  6. Step 6: Final answer
    x = 154,068.07

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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.