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Finding the Fourth Proportional to 162,907.94, 244,445.55 and 77,615.42

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Solution

The fourth proportional to 162,907.94, 244,445.55 and 77,615.42 is: 116,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,907.94 : 244,445.55 = 77,615.42 : x
  2. Step 2: Convert to fraction form
    162,907.94/244,445.55 = 77,615.42/x
  3. Step 3: Cross multiply
    162,907.94x = 244,445.55 × 77,615.42
  4. Step 4: Simplify right side
    162,907.94x = 18,972,744,030.38
  5. Step 5: Solve for x
    x = 18,972,744,030.38/162,907.94
  6. Step 6: Final answer
    x = 116,462.98

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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.