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Finding the Fourth Proportional to 236,818, 355,402.34 and 112,159.36

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Solution

The fourth proportional to 236,818, 355,402.34 and 112,159.36 is: 168,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,818 : 355,402.34 = 112,159.36 : x
  2. Step 2: Convert to fraction form
    236,818/355,402.34 = 112,159.36/x
  3. Step 3: Cross multiply
    236,818x = 355,402.34 × 112,159.36
  4. Step 4: Simplify right side
    236,818x = 39,861,698,996.90
  5. Step 5: Solve for x
    x = 39,861,698,996.90/236,818
  6. Step 6: Final answer
    x = 168,322.08

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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.