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Finding the Fourth Proportional to 125,931.80, 188,897.70 and 97,391.45

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Solution

The fourth proportional to 125,931.80, 188,897.70 and 97,391.45 is: 146,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,931.80 : 188,897.70 = 97,391.45 : x
  2. Step 2: Convert to fraction form
    125,931.80/188,897.70 = 97,391.45/x
  3. Step 3: Cross multiply
    125,931.80x = 188,897.70 × 97,391.45
  4. Step 4: Simplify right side
    125,931.80x = 18,397,020,904.67
  5. Step 5: Solve for x
    x = 18,397,020,904.67/125,931.80
  6. Step 6: Final answer
    x = 146,087.18

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