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Finding the Fourth Proportional to 16,172,603.60, 24,258,905.40 and 13,737,160.40

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Solution

The fourth proportional to 16,172,603.60, 24,258,905.40 and 13,737,160.40 is: 20,605,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172,603.60 : 24,258,905.40 = 13,737,160.40 : x
  2. Step 2: Convert to fraction form
    16,172,603.60/24,258,905.40 = 13,737,160.40/x
  3. Step 3: Cross multiply
    16,172,603.60x = 24,258,905.40 × 13,737,160.40
  4. Step 4: Simplify right side
    16,172,603.60x = 333,248,474,608,226.12
  5. Step 5: Solve for x
    x = 333,248,474,608,226.12/16,172,603.60
  6. Step 6: Final answer
    x = 20,605,740.60

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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.