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Finding the Fourth Proportional to 163,377,012.80, 229,301,774.20 and 163,377,012.80

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Solution

The fourth proportional to 163,377,012.80, 229,301,774.20 and 163,377,012.80 is: 229,301,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,377,012.80 : 229,301,774.20 = 163,377,012.80 : x
  2. Step 2: Convert to fraction form
    163,377,012.80/229,301,774.20 = 163,377,012.80/x
  3. Step 3: Cross multiply
    163,377,012.80x = 229,301,774.20 × 163,377,012.80
  4. Step 4: Simplify right side
    163,377,012.80x = 37,462,638,898,536,112
  5. Step 5: Solve for x
    x = 37,462,638,898,536,112/163,377,012.80
  6. Step 6: Final answer
    x = 229,301,774.20

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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.