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Finding the Fourth Proportional to 93,251, 139,876.34 and 43,303.78

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Solution

The fourth proportional to 93,251, 139,876.34 and 43,303.78 is: 64,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,251 : 139,876.34 = 43,303.78 : x
  2. Step 2: Convert to fraction form
    93,251/139,876.34 = 43,303.78/x
  3. Step 3: Cross multiply
    93,251x = 139,876.34 × 43,303.78
  4. Step 4: Simplify right side
    93,251x = 6,057,174,254.57
  5. Step 5: Solve for x
    x = 6,057,174,254.57/93,251
  6. Step 6: Final answer
    x = 64,955.60

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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.