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Finding the Fourth Proportional to 368,149.32, 552,282.42 and 118,773

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Solution

The fourth proportional to 368,149.32, 552,282.42 and 118,773 is: 178,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,149.32 : 552,282.42 = 118,773 : x
  2. Step 2: Convert to fraction form
    368,149.32/552,282.42 = 118,773/x
  3. Step 3: Cross multiply
    368,149.32x = 552,282.42 × 118,773
  4. Step 4: Simplify right side
    368,149.32x = 65,596,239,870.66
  5. Step 5: Solve for x
    x = 65,596,239,870.66/368,149.32
  6. Step 6: Final answer
    x = 178,178.35

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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.