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Finding the Fourth Proportional to 93,319,200.30, 139,978,800.45 and 93,319,200.30

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Solution

The fourth proportional to 93,319,200.30, 139,978,800.45 and 93,319,200.30 is: 139,978,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319,200.30 : 139,978,800.45 = 93,319,200.30 : x
  2. Step 2: Convert to fraction form
    93,319,200.30/139,978,800.45 = 93,319,200.30/x
  3. Step 3: Cross multiply
    93,319,200.30x = 139,978,800.45 × 93,319,200.30
  4. Step 4: Simplify right side
    93,319,200.30x = 13,062,709,716,947,278
  5. Step 5: Solve for x
    x = 13,062,709,716,947,278/93,319,200.30
  6. Step 6: Final answer
    x = 139,978,800.45

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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.