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Finding the Fourth Proportional to 57,954,671.80, 86,932,007.70 and 53,575,228.60

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Solution

The fourth proportional to 57,954,671.80, 86,932,007.70 and 53,575,228.60 is: 80,362,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954,671.80 : 86,932,007.70 = 53,575,228.60 : x
  2. Step 2: Convert to fraction form
    57,954,671.80/86,932,007.70 = 53,575,228.60/x
  3. Step 3: Cross multiply
    57,954,671.80x = 86,932,007.70 × 53,575,228.60
  4. Step 4: Simplify right side
    57,954,671.80x = 4,657,402,185,184,461
  5. Step 5: Solve for x
    x = 4,657,402,185,184,461/57,954,671.80
  6. Step 6: Final answer
    x = 80,362,842.90

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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.