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Finding the Fourth Proportional to 169,655,123.20, 254,482,684.80 and 83,561,681.20

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Solution

The fourth proportional to 169,655,123.20, 254,482,684.80 and 83,561,681.20 is: 125,342,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,655,123.20 : 254,482,684.80 = 83,561,681.20 : x
  2. Step 2: Convert to fraction form
    169,655,123.20/254,482,684.80 = 83,561,681.20/x
  3. Step 3: Cross multiply
    169,655,123.20x = 254,482,684.80 × 83,561,681.20
  4. Step 4: Simplify right side
    169,655,123.20x = 21,265,000,978,177,688
  5. Step 5: Solve for x
    x = 21,265,000,978,177,688/169,655,123.20
  6. Step 6: Final answer
    x = 125,342,521.80

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