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Finding the Fourth Proportional to 69,872,570.10, 104,808,855.15 and 69,872,570.10

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Solution

The fourth proportional to 69,872,570.10, 104,808,855.15 and 69,872,570.10 is: 104,808,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,872,570.10 : 104,808,855.15 = 69,872,570.10 : x
  2. Step 2: Convert to fraction form
    69,872,570.10/104,808,855.15 = 69,872,570.10/x
  3. Step 3: Cross multiply
    69,872,570.10x = 104,808,855.15 × 69,872,570.10
  4. Step 4: Simplify right side
    69,872,570.10x = 7,323,264,078,569,121
  5. Step 5: Solve for x
    x = 7,323,264,078,569,121/69,872,570.10
  6. Step 6: Final answer
    x = 104,808,855.15

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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.