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Finding the Fourth Proportional to 107,045.28, 160,590.47 and 40,483.94

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Solution

The fourth proportional to 107,045.28, 160,590.47 and 40,483.94 is: 60,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,045.28 : 160,590.47 = 40,483.94 : x
  2. Step 2: Convert to fraction form
    107,045.28/160,590.47 = 40,483.94/x
  3. Step 3: Cross multiply
    107,045.28x = 160,590.47 × 40,483.94
  4. Step 4: Simplify right side
    107,045.28x = 6,501,333,946.68
  5. Step 5: Solve for x
    x = 6,501,333,946.68/107,045.28
  6. Step 6: Final answer
    x = 60,734.43

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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.