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Finding the Fourth Proportional to 117,895,427.60, 176,843,141.40 and 99,188,704.40

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Solution

The fourth proportional to 117,895,427.60, 176,843,141.40 and 99,188,704.40 is: 148,783,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,895,427.60 : 176,843,141.40 = 99,188,704.40 : x
  2. Step 2: Convert to fraction form
    117,895,427.60/176,843,141.40 = 99,188,704.40/x
  3. Step 3: Cross multiply
    117,895,427.60x = 176,843,141.40 × 99,188,704.40
  4. Step 4: Simplify right side
    117,895,427.60x = 17,540,842,077,492,004
  5. Step 5: Solve for x
    x = 17,540,842,077,492,004/117,895,427.60
  6. Step 6: Final answer
    x = 148,783,056.60

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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.