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Finding the Fourth Proportional to 103,411.35, 155,117.03 and 103,411.35

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Solution

The fourth proportional to 103,411.35, 155,117.03 and 103,411.35 is: 155,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,411.35 : 155,117.03 = 103,411.35 : x
  2. Step 2: Convert to fraction form
    103,411.35/155,117.03 = 103,411.35/x
  3. Step 3: Cross multiply
    103,411.35x = 155,117.03 × 103,411.35
  4. Step 4: Simplify right side
    103,411.35x = 16,040,860,963.23
  5. Step 5: Solve for x
    x = 16,040,860,963.23/103,411.35
  6. Step 6: Final answer
    x = 155,117.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.