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Finding the Fourth Proportional to 11,154,465.40, 16,731,698.10 and 11,154,465.40

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Solution

The fourth proportional to 11,154,465.40, 16,731,698.10 and 11,154,465.40 is: 16,731,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154,465.40 : 16,731,698.10 = 11,154,465.40 : x
  2. Step 2: Convert to fraction form
    11,154,465.40/16,731,698.10 = 11,154,465.40/x
  3. Step 3: Cross multiply
    11,154,465.40x = 16,731,698.10 × 11,154,465.40
  4. Step 4: Simplify right side
    11,154,465.40x = 186,633,147,539,695.75
  5. Step 5: Solve for x
    x = 186,633,147,539,695.75/11,154,465.40
  6. Step 6: Final answer
    x = 16,731,698.10

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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.