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Finding the Fourth Proportional to 236,641, 355,013.34 and 88,897

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Solution

The fourth proportional to 236,641, 355,013.34 and 88,897 is: 133,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,641 : 355,013.34 = 88,897 : x
  2. Step 2: Convert to fraction form
    236,641/355,013.34 = 88,897/x
  3. Step 3: Cross multiply
    236,641x = 355,013.34 × 88,897
  4. Step 4: Simplify right side
    236,641x = 31,559,620,885.98
  5. Step 5: Solve for x
    x = 31,559,620,885.98/236,641
  6. Step 6: Final answer
    x = 133,364.97

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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.