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Finding the Fourth Proportional to 93,322.80, 139,634.28 and 51,798.96

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Solution

The fourth proportional to 93,322.80, 139,634.28 and 51,798.96 is: 77,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,322.80 : 139,634.28 = 51,798.96 : x
  2. Step 2: Convert to fraction form
    93,322.80/139,634.28 = 51,798.96/x
  3. Step 3: Cross multiply
    93,322.80x = 139,634.28 × 51,798.96
  4. Step 4: Simplify right side
    93,322.80x = 7,232,910,484.35
  5. Step 5: Solve for x
    x = 7,232,910,484.35/93,322.80
  6. Step 6: Final answer
    x = 77,504.22

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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.