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Finding the Fourth Proportional to 223,555.04, 308,480.08 and 128,056.04

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Solution

The fourth proportional to 223,555.04, 308,480.08 and 128,056.04 is: 176,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,555.04 : 308,480.08 = 128,056.04 : x
  2. Step 2: Convert to fraction form
    223,555.04/308,480.08 = 128,056.04/x
  3. Step 3: Cross multiply
    223,555.04x = 308,480.08 × 128,056.04
  4. Step 4: Simplify right side
    223,555.04x = 39,502,737,463.68
  5. Step 5: Solve for x
    x = 39,502,737,463.68/223,555.04
  6. Step 6: Final answer
    x = 176,702.51

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