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Finding the Fourth Proportional to 93,168.10, 128,569.17 and 51,774.95

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Solution

The fourth proportional to 93,168.10, 128,569.17 and 51,774.95 is: 71,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,168.10 : 128,569.17 = 51,774.95 : x
  2. Step 2: Convert to fraction form
    93,168.10/128,569.17 = 51,774.95/x
  3. Step 3: Cross multiply
    93,168.10x = 128,569.17 × 51,774.95
  4. Step 4: Simplify right side
    93,168.10x = 6,656,662,348.29
  5. Step 5: Solve for x
    x = 6,656,662,348.29/93,168.10
  6. Step 6: Final answer
    x = 71,447.87

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1.5x scale

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.