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Finding the Fourth Proportional to 73,366,866.10, 109,789,025.55 and 63,886,366.90

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Solution

The fourth proportional to 73,366,866.10, 109,789,025.55 and 63,886,366.90 is: 95,602,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,366,866.10 : 109,789,025.55 = 63,886,366.90 : x
  2. Step 2: Convert to fraction form
    73,366,866.10/109,789,025.55 = 63,886,366.90/x
  3. Step 3: Cross multiply
    73,366,866.10x = 109,789,025.55 × 63,886,366.90
  4. Step 4: Simplify right side
    73,366,866.10x = 7,014,021,967,880,774
  5. Step 5: Solve for x
    x = 7,014,021,967,880,774/73,366,866.10
  6. Step 6: Final answer
    x = 95,602,038.64

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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.