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Finding the Fourth Proportional to 58,993,268.80, 88,489,903.20 and 42,868,955.20

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Solution

The fourth proportional to 58,993,268.80, 88,489,903.20 and 42,868,955.20 is: 64,303,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,993,268.80 : 88,489,903.20 = 42,868,955.20 : x
  2. Step 2: Convert to fraction form
    58,993,268.80/88,489,903.20 = 42,868,955.20/x
  3. Step 3: Cross multiply
    58,993,268.80x = 88,489,903.20 × 42,868,955.20
  4. Step 4: Simplify right side
    58,993,268.80x = 3,793,469,695,933,137
  5. Step 5: Solve for x
    x = 3,793,469,695,933,137/58,993,268.80
  6. Step 6: Final answer
    x = 64,303,432.80

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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.