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Finding the Fourth Proportional to 89,695,205.10, 125,658,317.70 and 89,695,205.10

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Solution

The fourth proportional to 89,695,205.10, 125,658,317.70 and 89,695,205.10 is: 125,658,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,695,205.10 : 125,658,317.70 = 89,695,205.10 : x
  2. Step 2: Convert to fraction form
    89,695,205.10/125,658,317.70 = 89,695,205.10/x
  3. Step 3: Cross multiply
    89,695,205.10x = 125,658,317.70 × 89,695,205.10
  4. Step 4: Simplify right side
    89,695,205.10x = 11,270,948,578,622,460
  5. Step 5: Solve for x
    x = 11,270,948,578,622,460/89,695,205.10
  6. Step 6: Final answer
    x = 125,658,317.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.