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Finding the Fourth Proportional to 93,319,610.80, 139,979,416.20 and 93,319,610.80

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Solution

The fourth proportional to 93,319,610.80, 139,979,416.20 and 93,319,610.80 is: 139,979,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319,610.80 : 139,979,416.20 = 93,319,610.80 : x
  2. Step 2: Convert to fraction form
    93,319,610.80/139,979,416.20 = 93,319,610.80/x
  3. Step 3: Cross multiply
    93,319,610.80x = 139,979,416.20 × 93,319,610.80
  4. Step 4: Simplify right side
    93,319,610.80x = 13,062,824,639,795,214
  5. Step 5: Solve for x
    x = 13,062,824,639,795,214/93,319,610.80
  6. Step 6: Final answer
    x = 139,979,416.20

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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.