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Finding the Fourth Proportional to 93,969,969.60, 140,954,954.40 and 93,969,969.60

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Solution

The fourth proportional to 93,969,969.60, 140,954,954.40 and 93,969,969.60 is: 140,954,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,969,969.60 : 140,954,954.40 = 93,969,969.60 : x
  2. Step 2: Convert to fraction form
    93,969,969.60/140,954,954.40 = 93,969,969.60/x
  3. Step 3: Cross multiply
    93,969,969.60x = 140,954,954.40 × 93,969,969.60
  4. Step 4: Simplify right side
    93,969,969.60x = 13,245,532,779,937,386
  5. Step 5: Solve for x
    x = 13,245,532,779,937,386/93,969,969.60
  6. Step 6: Final answer
    x = 140,954,954.40

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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.