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Finding the Fourth Proportional to 118,537.17, 163,569.74 and 67,552.71

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Solution

The fourth proportional to 118,537.17, 163,569.74 and 67,552.71 is: 93,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,537.17 : 163,569.74 = 67,552.71 : x
  2. Step 2: Convert to fraction form
    118,537.17/163,569.74 = 67,552.71/x
  3. Step 3: Cross multiply
    118,537.17x = 163,569.74 × 67,552.71
  4. Step 4: Simplify right side
    118,537.17x = 11,049,578,873.23
  5. Step 5: Solve for x
    x = 11,049,578,873.23/118,537.17
  6. Step 6: Final answer
    x = 93,216.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.