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Finding the Fourth Proportional to 293,179,959.60, 439,819,705.80 and 88,706,410.80

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Solution

The fourth proportional to 293,179,959.60, 439,819,705.80 and 88,706,410.80 is: 133,074,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,179,959.60 : 439,819,705.80 = 88,706,410.80 : x
  2. Step 2: Convert to fraction form
    293,179,959.60/439,819,705.80 = 88,706,410.80/x
  3. Step 3: Cross multiply
    293,179,959.60x = 439,819,705.80 × 88,706,410.80
  4. Step 4: Simplify right side
    293,179,959.60x = 39,014,827,500,629,944
  5. Step 5: Solve for x
    x = 39,014,827,500,629,944/293,179,959.60
  6. Step 6: Final answer
    x = 133,074,673.84

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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.