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Finding the Fourth Proportional to 119,769,656.40, 179,318,561.40 and 116,410,424.40

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Solution

The fourth proportional to 119,769,656.40, 179,318,561.40 and 116,410,424.40 is: 174,289,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,769,656.40 : 179,318,561.40 = 116,410,424.40 : x
  2. Step 2: Convert to fraction form
    119,769,656.40/179,318,561.40 = 116,410,424.40/x
  3. Step 3: Cross multiply
    119,769,656.40x = 179,318,561.40 × 116,410,424.40
  4. Step 4: Simplify right side
    119,769,656.40x = 20,874,549,835,371,460
  5. Step 5: Solve for x
    x = 20,874,549,835,371,460/119,769,656.40
  6. Step 6: Final answer
    x = 174,289,135.19

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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.