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Finding the Fourth Proportional to 174,894.69, 262,366.47 and 86,148.93

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Solution

The fourth proportional to 174,894.69, 262,366.47 and 86,148.93 is: 129,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,894.69 : 262,366.47 = 86,148.93 : x
  2. Step 2: Convert to fraction form
    174,894.69/262,366.47 = 86,148.93/x
  3. Step 3: Cross multiply
    174,894.69x = 262,366.47 × 86,148.93
  4. Step 4: Simplify right side
    174,894.69x = 22,602,590,658.38
  5. Step 5: Solve for x
    x = 22,602,590,658.38/174,894.69
  6. Step 6: Final answer
    x = 129,235.43

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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.