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Finding the Fourth Proportional to 189,271.88, 283,907.82 and 49,030.50

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Solution

The fourth proportional to 189,271.88, 283,907.82 and 49,030.50 is: 73,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,271.88 : 283,907.82 = 49,030.50 : x
  2. Step 2: Convert to fraction form
    189,271.88/283,907.82 = 49,030.50/x
  3. Step 3: Cross multiply
    189,271.88x = 283,907.82 × 49,030.50
  4. Step 4: Simplify right side
    189,271.88x = 13,920,142,368.51
  5. Step 5: Solve for x
    x = 13,920,142,368.51/189,271.88
  6. Step 6: Final answer
    x = 73,545.75

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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.