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Finding the Fourth Proportional to 108,920.76, 163,264.98 and 62,072.76

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Solution

The fourth proportional to 108,920.76, 163,264.98 and 62,072.76 is: 93,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,920.76 : 163,264.98 = 62,072.76 : x
  2. Step 2: Convert to fraction form
    108,920.76/163,264.98 = 62,072.76/x
  3. Step 3: Cross multiply
    108,920.76x = 163,264.98 × 62,072.76
  4. Step 4: Simplify right side
    108,920.76x = 10,134,307,919.94
  5. Step 5: Solve for x
    x = 10,134,307,919.94/108,920.76
  6. Step 6: Final answer
    x = 93,042.94

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1.5x scale

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.