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Finding the Fourth Proportional to 137,076,809.60, 205,951,137.60 and 103,064,585.60

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Solution

The fourth proportional to 137,076,809.60, 205,951,137.60 and 103,064,585.60 is: 154,849,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,076,809.60 : 205,951,137.60 = 103,064,585.60 : x
  2. Step 2: Convert to fraction form
    137,076,809.60/205,951,137.60 = 103,064,585.60/x
  3. Step 3: Cross multiply
    137,076,809.60x = 205,951,137.60 × 103,064,585.60
  4. Step 4: Simplify right side
    137,076,809.60x = 21,226,268,650,592,576
  5. Step 5: Solve for x
    x = 21,226,268,650,592,576/137,076,809.60
  6. Step 6: Final answer
    x = 154,849,450.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.