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Finding the Fourth Proportional to 118,512.72, 163,547.71 and 67,523.22

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Solution

The fourth proportional to 118,512.72, 163,547.71 and 67,523.22 is: 93,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,512.72 : 163,547.71 = 67,523.22 : x
  2. Step 2: Convert to fraction form
    118,512.72/163,547.71 = 67,523.22/x
  3. Step 3: Cross multiply
    118,512.72x = 163,547.71 × 67,523.22
  4. Step 4: Simplify right side
    118,512.72x = 11,043,267,834.02
  5. Step 5: Solve for x
    x = 11,043,267,834.02/118,512.72
  6. Step 6: Final answer
    x = 93,182.13

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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.