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Finding the Fourth Proportional to 370,885.94, 556,144.59 and 118,133.54

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Solution

The fourth proportional to 370,885.94, 556,144.59 and 118,133.54 is: 177,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,885.94 : 556,144.59 = 118,133.54 : x
  2. Step 2: Convert to fraction form
    370,885.94/556,144.59 = 118,133.54/x
  3. Step 3: Cross multiply
    370,885.94x = 556,144.59 × 118,133.54
  4. Step 4: Simplify right side
    370,885.94x = 65,699,329,168.55
  5. Step 5: Solve for x
    x = 65,699,329,168.55/370,885.94
  6. Step 6: Final answer
    x = 177,141.60

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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.