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Finding the Fourth Proportional to 93,465.45, 128,984.49 and 51,024.29

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Solution

The fourth proportional to 93,465.45, 128,984.49 and 51,024.29 is: 70,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,465.45 : 128,984.49 = 51,024.29 : x
  2. Step 2: Convert to fraction form
    93,465.45/128,984.49 = 51,024.29/x
  3. Step 3: Cross multiply
    93,465.45x = 128,984.49 × 51,024.29
  4. Step 4: Simplify right side
    93,465.45x = 6,581,341,378.34
  5. Step 5: Solve for x
    x = 6,581,341,378.34/93,465.45
  6. Step 6: Final answer
    x = 70,414.70

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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.