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Finding the Fourth Proportional to 117,431,140.60, 176,146,710.90 and 117,431,140.60

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Solution

The fourth proportional to 117,431,140.60, 176,146,710.90 and 117,431,140.60 is: 176,146,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,431,140.60 : 176,146,710.90 = 117,431,140.60 : x
  2. Step 2: Convert to fraction form
    117,431,140.60/176,146,710.90 = 117,431,140.60/x
  3. Step 3: Cross multiply
    117,431,140.60x = 176,146,710.90 × 117,431,140.60
  4. Step 4: Simplify right side
    117,431,140.60x = 20,685,109,173,925,452
  5. Step 5: Solve for x
    x = 20,685,109,173,925,452/117,431,140.60
  6. Step 6: Final answer
    x = 176,146,710.90

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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.