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Finding the Fourth Proportional to 118,733,883.40, 178,100,825.10 and 118,733,883.40

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Solution

The fourth proportional to 118,733,883.40, 178,100,825.10 and 118,733,883.40 is: 178,100,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,733,883.40 : 178,100,825.10 = 118,733,883.40 : x
  2. Step 2: Convert to fraction form
    118,733,883.40/178,100,825.10 = 118,733,883.40/x
  3. Step 3: Cross multiply
    118,733,883.40x = 178,100,825.10 × 118,733,883.40
  4. Step 4: Simplify right side
    118,733,883.40x = 21,146,602,600,867,192
  5. Step 5: Solve for x
    x = 21,146,602,600,867,192/118,733,883.40
  6. Step 6: Final answer
    x = 178,100,825.10

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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.