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Finding the Fourth Proportional to 117,922,642.40, 176,883,963.60 and 36,041,362.40

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Solution

The fourth proportional to 117,922,642.40, 176,883,963.60 and 36,041,362.40 is: 54,062,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,922,642.40 : 176,883,963.60 = 36,041,362.40 : x
  2. Step 2: Convert to fraction form
    117,922,642.40/176,883,963.60 = 36,041,362.40/x
  3. Step 3: Cross multiply
    117,922,642.40x = 176,883,963.60 × 36,041,362.40
  4. Step 4: Simplify right side
    117,922,642.40x = 6,375,139,034,856,008
  5. Step 5: Solve for x
    x = 6,375,139,034,856,008/117,922,642.40
  6. Step 6: Final answer
    x = 54,062,043.60

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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.