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Finding the Fourth Proportional to 103,290,164.40, 154,935,246.60 and 103,290,164.40

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Solution

The fourth proportional to 103,290,164.40, 154,935,246.60 and 103,290,164.40 is: 154,935,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,290,164.40 : 154,935,246.60 = 103,290,164.40 : x
  2. Step 2: Convert to fraction form
    103,290,164.40/154,935,246.60 = 103,290,164.40/x
  3. Step 3: Cross multiply
    103,290,164.40x = 154,935,246.60 × 103,290,164.40
  4. Step 4: Simplify right side
    103,290,164.40x = 16,003,287,092,668,542
  5. Step 5: Solve for x
    x = 16,003,287,092,668,542/103,290,164.40
  6. Step 6: Final answer
    x = 154,935,246.60

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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.