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Finding the Fourth Proportional to 163,355,519.70, 245,033,279.55 and 163,355,519.70

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Solution

The fourth proportional to 163,355,519.70, 245,033,279.55 and 163,355,519.70 is: 245,033,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,355,519.70 : 245,033,279.55 = 163,355,519.70 : x
  2. Step 2: Convert to fraction form
    163,355,519.70/245,033,279.55 = 163,355,519.70/x
  3. Step 3: Cross multiply
    163,355,519.70x = 245,033,279.55 × 163,355,519.70
  4. Step 4: Simplify right side
    163,355,519.70x = 40,027,538,724,685,632
  5. Step 5: Solve for x
    x = 40,027,538,724,685,632/163,355,519.70
  6. Step 6: Final answer
    x = 245,033,279.55

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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.