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Finding the Fourth Proportional to 163,378,047.80, 229,303,223.20 and 163,378,047.80

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Solution

The fourth proportional to 163,378,047.80, 229,303,223.20 and 163,378,047.80 is: 229,303,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,378,047.80 : 229,303,223.20 = 163,378,047.80 : x
  2. Step 2: Convert to fraction form
    163,378,047.80/229,303,223.20 = 163,378,047.80/x
  3. Step 3: Cross multiply
    163,378,047.80x = 229,303,223.20 × 163,378,047.80
  4. Step 4: Simplify right side
    163,378,047.80x = 37,463,112,960,663,672
  5. Step 5: Solve for x
    x = 37,463,112,960,663,672/163,378,047.80
  6. Step 6: Final answer
    x = 229,303,223.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.