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Finding the Fourth Proportional to 191,719.74, 264,575.16 and 105,681.78

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Solution

The fourth proportional to 191,719.74, 264,575.16 and 105,681.78 is: 145,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,719.74 : 264,575.16 = 105,681.78 : x
  2. Step 2: Convert to fraction form
    191,719.74/264,575.16 = 105,681.78/x
  3. Step 3: Cross multiply
    191,719.74x = 264,575.16 × 105,681.78
  4. Step 4: Simplify right side
    191,719.74x = 27,960,773,852.58
  5. Step 5: Solve for x
    x = 27,960,773,852.58/191,719.74
  6. Step 6: Final answer
    x = 145,841.91

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