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Finding the Fourth Proportional to 118,484.47, 177,707.44 and 39,598.57

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Solution

The fourth proportional to 118,484.47, 177,707.44 and 39,598.57 is: 59,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,484.47 : 177,707.44 = 39,598.57 : x
  2. Step 2: Convert to fraction form
    118,484.47/177,707.44 = 39,598.57/x
  3. Step 3: Cross multiply
    118,484.47x = 177,707.44 × 39,598.57
  4. Step 4: Simplify right side
    118,484.47x = 7,036,960,502.36
  5. Step 5: Solve for x
    x = 7,036,960,502.36/118,484.47
  6. Step 6: Final answer
    x = 59,391.42

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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.