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Finding the Fourth Proportional to 57,362,281.30, 86,043,421.95 and 57,362,281.30

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Solution

The fourth proportional to 57,362,281.30, 86,043,421.95 and 57,362,281.30 is: 86,043,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,362,281.30 : 86,043,421.95 = 57,362,281.30 : x
  2. Step 2: Convert to fraction form
    57,362,281.30/86,043,421.95 = 57,362,281.30/x
  3. Step 3: Cross multiply
    57,362,281.30x = 86,043,421.95 × 57,362,281.30
  4. Step 4: Simplify right side
    57,362,281.30x = 4,935,646,973,910,494
  5. Step 5: Solve for x
    x = 4,935,646,973,910,494/57,362,281.30
  6. Step 6: Final answer
    x = 86,043,421.95

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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.