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Finding the Fourth Proportional to 202,692,483.57, 279,713,531.09 and 113,383,265.84

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Solution

The fourth proportional to 202,692,483.57, 279,713,531.09 and 113,383,265.84 is: 156,467,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,692,483.57 : 279,713,531.09 = 113,383,265.84 : x
  2. Step 2: Convert to fraction form
    202,692,483.57/279,713,531.09 = 113,383,265.84/x
  3. Step 3: Cross multiply
    202,692,483.57x = 279,713,531.09 × 113,383,265.84
  4. Step 4: Simplify right side
    202,692,483.57x = 31,714,833,652,657,088
  5. Step 5: Solve for x
    x = 31,714,833,652,657,088/202,692,483.57
  6. Step 6: Final answer
    x = 156,467,734.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.