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Finding the Fourth Proportional to 93,246, 128,679.48 and 50,804.52

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Solution

The fourth proportional to 93,246, 128,679.48 and 50,804.52 is: 70,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,246 : 128,679.48 = 50,804.52 : x
  2. Step 2: Convert to fraction form
    93,246/128,679.48 = 50,804.52/x
  3. Step 3: Cross multiply
    93,246x = 128,679.48 × 50,804.52
  4. Step 4: Simplify right side
    93,246x = 6,537,499,215.25
  5. Step 5: Solve for x
    x = 6,537,499,215.25/93,246
  6. Step 6: Final answer
    x = 70,110.24

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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.