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Finding the Fourth Proportional to 357,130.56, 535,678.53 and 132,534.78

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Solution

The fourth proportional to 357,130.56, 535,678.53 and 132,534.78 is: 198,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,130.56 : 535,678.53 = 132,534.78 : x
  2. Step 2: Convert to fraction form
    357,130.56/535,678.53 = 132,534.78/x
  3. Step 3: Cross multiply
    357,130.56x = 535,678.53 × 132,534.78
  4. Step 4: Simplify right side
    357,130.56x = 70,996,036,124.27
  5. Step 5: Solve for x
    x = 70,996,036,124.27/357,130.56
  6. Step 6: Final answer
    x = 198,795.75

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