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Finding the Fourth Proportional to 191,699.16, 287,548.68 and 51,457.76

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Solution

The fourth proportional to 191,699.16, 287,548.68 and 51,457.76 is: 77,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,699.16 : 287,548.68 = 51,457.76 : x
  2. Step 2: Convert to fraction form
    191,699.16/287,548.68 = 51,457.76/x
  3. Step 3: Cross multiply
    191,699.16x = 287,548.68 × 51,457.76
  4. Step 4: Simplify right side
    191,699.16x = 14,796,610,963.76
  5. Step 5: Solve for x
    x = 14,796,610,963.76/191,699.16
  6. Step 6: Final answer
    x = 77,186.62

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