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Finding the Fourth Proportional to 251,303.56, 376,955.58 and 118,086.12

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Solution

The fourth proportional to 251,303.56, 376,955.58 and 118,086.12 is: 177,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,303.56 : 376,955.58 = 118,086.12 : x
  2. Step 2: Convert to fraction form
    251,303.56/376,955.58 = 118,086.12/x
  3. Step 3: Cross multiply
    251,303.56x = 376,955.58 × 118,086.12
  4. Step 4: Simplify right side
    251,303.56x = 44,513,221,854.55
  5. Step 5: Solve for x
    x = 44,513,221,854.55/251,303.56
  6. Step 6: Final answer
    x = 177,129.29

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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.