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Finding the Fourth Proportional to 223,643.04, 335,537.45 and 105,326.34

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Solution

The fourth proportional to 223,643.04, 335,537.45 and 105,326.34 is: 158,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,643.04 : 335,537.45 = 105,326.34 : x
  2. Step 2: Convert to fraction form
    223,643.04/335,537.45 = 105,326.34/x
  3. Step 3: Cross multiply
    223,643.04x = 335,537.45 × 105,326.34
  4. Step 4: Simplify right side
    223,643.04x = 35,340,931,541.43
  5. Step 5: Solve for x
    x = 35,340,931,541.43/223,643.04
  6. Step 6: Final answer
    x = 158,023.84

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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.