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Finding the Fourth Proportional to 88,889,860.80, 133,618,226.40 and 83,788,027.20

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Solution

The fourth proportional to 88,889,860.80, 133,618,226.40 and 83,788,027.20 is: 125,949,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,889,860.80 : 133,618,226.40 = 83,788,027.20 : x
  2. Step 2: Convert to fraction form
    88,889,860.80/133,618,226.40 = 83,788,027.20/x
  3. Step 3: Cross multiply
    88,889,860.80x = 133,618,226.40 × 83,788,027.20
  4. Step 4: Simplify right side
    88,889,860.80x = 11,195,607,588,018,958
  5. Step 5: Solve for x
    x = 11,195,607,588,018,958/88,889,860.80
  6. Step 6: Final answer
    x = 125,949,208.24

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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.