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Finding the Fourth Proportional to 89,695,212.60, 125,658,328.20 and 89,695,212.60

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Solution

The fourth proportional to 89,695,212.60, 125,658,328.20 and 89,695,212.60 is: 125,658,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,695,212.60 : 125,658,328.20 = 89,695,212.60 : x
  2. Step 2: Convert to fraction form
    89,695,212.60/125,658,328.20 = 89,695,212.60/x
  3. Step 3: Cross multiply
    89,695,212.60x = 125,658,328.20 × 89,695,212.60
  4. Step 4: Simplify right side
    89,695,212.60x = 11,270,950,462,859,574
  5. Step 5: Solve for x
    x = 11,270,950,462,859,574/89,695,212.60
  6. Step 6: Final answer
    x = 125,658,328.20

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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.