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Finding the Fourth Proportional to 242,852.45, 364,058.15 and 84,994.79

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Solution

The fourth proportional to 242,852.45, 364,058.15 and 84,994.79 is: 127,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,852.45 : 364,058.15 = 84,994.79 : x
  2. Step 2: Convert to fraction form
    242,852.45/364,058.15 = 84,994.79/x
  3. Step 3: Cross multiply
    242,852.45x = 364,058.15 × 84,994.79
  4. Step 4: Simplify right side
    242,852.45x = 30,943,047,129.67
  5. Step 5: Solve for x
    x = 30,943,047,129.67/242,852.45
  6. Step 6: Final answer
    x = 127,415.01

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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.