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Finding the Fourth Proportional to 117,328,869.90, 164,600,540.10 and 117,328,869.90

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Solution

The fourth proportional to 117,328,869.90, 164,600,540.10 and 117,328,869.90 is: 164,600,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,328,869.90 : 164,600,540.10 = 117,328,869.90 : x
  2. Step 2: Convert to fraction form
    117,328,869.90/164,600,540.10 = 117,328,869.90/x
  3. Step 3: Cross multiply
    117,328,869.90x = 164,600,540.10 × 117,328,869.90
  4. Step 4: Simplify right side
    117,328,869.90x = 19,312,395,354,862,632
  5. Step 5: Solve for x
    x = 19,312,395,354,862,632/117,328,869.90
  6. Step 6: Final answer
    x = 164,600,540.10

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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.