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Finding the Fourth Proportional to 233,163,745.60, 349,745,618.40 and 71,584,686.40

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Solution

The fourth proportional to 233,163,745.60, 349,745,618.40 and 71,584,686.40 is: 107,377,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,163,745.60 : 349,745,618.40 = 71,584,686.40 : x
  2. Step 2: Convert to fraction form
    233,163,745.60/349,745,618.40 = 71,584,686.40/x
  3. Step 3: Cross multiply
    233,163,745.60x = 349,745,618.40 × 71,584,686.40
  4. Step 4: Simplify right side
    233,163,745.60x = 25,036,430,412,938,072
  5. Step 5: Solve for x
    x = 25,036,430,412,938,072/233,163,745.60
  6. Step 6: Final answer
    x = 107,377,029.60

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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.