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Finding the Fourth Proportional to 80,793,808.56, 111,495,580.56 and 45,986,498.64

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Solution

The fourth proportional to 80,793,808.56, 111,495,580.56 and 45,986,498.64 is: 63,461,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,793,808.56 : 111,495,580.56 = 45,986,498.64 : x
  2. Step 2: Convert to fraction form
    80,793,808.56/111,495,580.56 = 45,986,498.64/x
  3. Step 3: Cross multiply
    80,793,808.56x = 111,495,580.56 × 45,986,498.64
  4. Step 4: Simplify right side
    80,793,808.56x = 5,127,291,363,788,451
  5. Step 5: Solve for x
    x = 5,127,291,363,788,451/80,793,808.56
  6. Step 6: Final answer
    x = 63,461,439.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.