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Finding the Fourth Proportional to 99,850,159.60, 149,775,239.40 and 88,512,751.60

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Solution

The fourth proportional to 99,850,159.60, 149,775,239.40 and 88,512,751.60 is: 132,769,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,850,159.60 : 149,775,239.40 = 88,512,751.60 : x
  2. Step 2: Convert to fraction form
    99,850,159.60/149,775,239.40 = 88,512,751.60/x
  3. Step 3: Cross multiply
    99,850,159.60x = 149,775,239.40 × 88,512,751.60
  4. Step 4: Simplify right side
    99,850,159.60x = 13,257,018,560,842,732
  5. Step 5: Solve for x
    x = 13,257,018,560,842,732/99,850,159.60
  6. Step 6: Final answer
    x = 132,769,127.40

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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.