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Finding the Fourth Proportional to 223,643.07, 335,464.65 and 65,871.54

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Solution

The fourth proportional to 223,643.07, 335,464.65 and 65,871.54 is: 98,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,643.07 : 335,464.65 = 65,871.54 : x
  2. Step 2: Convert to fraction form
    223,643.07/335,464.65 = 65,871.54/x
  3. Step 3: Cross multiply
    223,643.07x = 335,464.65 × 65,871.54
  4. Step 4: Simplify right side
    223,643.07x = 22,097,573,111.06
  5. Step 5: Solve for x
    x = 22,097,573,111.06/223,643.07
  6. Step 6: Final answer
    x = 98,807.32

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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.