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Finding the Fourth Proportional to 223,953.07, 335,663.40 and 156,118.48

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Solution

The fourth proportional to 223,953.07, 335,663.40 and 156,118.48 is: 233,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,953.07 : 335,663.40 = 156,118.48 : x
  2. Step 2: Convert to fraction form
    223,953.07/335,663.40 = 156,118.48/x
  3. Step 3: Cross multiply
    223,953.07x = 335,663.40 × 156,118.48
  4. Step 4: Simplify right side
    223,953.07x = 52,403,258,121.32
  5. Step 5: Solve for x
    x = 52,403,258,121.32/223,953.07
  6. Step 6: Final answer
    x = 233,992.15

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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.