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Finding the Fourth Proportional to 88,091,999.60, 132,137,999.40 and 65,133,748.40

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Solution

The fourth proportional to 88,091,999.60, 132,137,999.40 and 65,133,748.40 is: 97,700,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,091,999.60 : 132,137,999.40 = 65,133,748.40 : x
  2. Step 2: Convert to fraction form
    88,091,999.60/132,137,999.40 = 65,133,748.40/x
  3. Step 3: Cross multiply
    88,091,999.60x = 132,137,999.40 × 65,133,748.40
  4. Step 4: Simplify right side
    88,091,999.60x = 8,606,643,206,998,951
  5. Step 5: Solve for x
    x = 8,606,643,206,998,951/88,091,999.60
  6. Step 6: Final answer
    x = 97,700,622.60

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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.