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Finding the Fourth Proportional to 93,451.69, 128,963.31 and 51,010.22

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Solution

The fourth proportional to 93,451.69, 128,963.31 and 51,010.22 is: 70,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,451.69 : 128,963.31 = 51,010.22 : x
  2. Step 2: Convert to fraction form
    93,451.69/128,963.31 = 51,010.22/x
  3. Step 3: Cross multiply
    93,451.69x = 128,963.31 × 51,010.22
  4. Step 4: Simplify right side
    93,451.69x = 6,578,446,946.15
  5. Step 5: Solve for x
    x = 6,578,446,946.15/93,451.69
  6. Step 6: Final answer
    x = 70,394.09

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1.5x scale

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.