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Finding the Fourth Proportional to 93,335.14, 128,805.15 and 50,896

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Solution

The fourth proportional to 93,335.14, 128,805.15 and 50,896 is: 70,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,335.14 : 128,805.15 = 50,896 : x
  2. Step 2: Convert to fraction form
    93,335.14/128,805.15 = 50,896/x
  3. Step 3: Cross multiply
    93,335.14x = 128,805.15 × 50,896
  4. Step 4: Simplify right side
    93,335.14x = 6,555,666,914.40
  5. Step 5: Solve for x
    x = 6,555,666,914.40/93,335.14
  6. Step 6: Final answer
    x = 70,237.93

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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.