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Finding the Fourth Proportional to 161,713.80, 242,714.70 and 95,070.60

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Solution

The fourth proportional to 161,713.80, 242,714.70 and 95,070.60 is: 142,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713.80 : 242,714.70 = 95,070.60 : x
  2. Step 2: Convert to fraction form
    161,713.80/242,714.70 = 95,070.60/x
  3. Step 3: Cross multiply
    161,713.80x = 242,714.70 × 95,070.60
  4. Step 4: Simplify right side
    161,713.80x = 23,075,032,157.82
  5. Step 5: Solve for x
    x = 23,075,032,157.82/161,713.80
  6. Step 6: Final answer
    x = 142,690.56

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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.