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Finding the Fourth Proportional to 93,051.16, 138,946.44 and 73,860.48

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Solution

The fourth proportional to 93,051.16, 138,946.44 and 73,860.48 is: 110,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,051.16 : 138,946.44 = 73,860.48 : x
  2. Step 2: Convert to fraction form
    93,051.16/138,946.44 = 73,860.48/x
  3. Step 3: Cross multiply
    93,051.16x = 138,946.44 × 73,860.48
  4. Step 4: Simplify right side
    93,051.16x = 10,262,650,752.69
  5. Step 5: Solve for x
    x = 10,262,650,752.69/93,051.16
  6. Step 6: Final answer
    x = 110,290.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.