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Finding the Fourth Proportional to 42,286,465.60, 59,320,491.20 and 42,286,465.60

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Solution

The fourth proportional to 42,286,465.60, 59,320,491.20 and 42,286,465.60 is: 59,320,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286,465.60 : 59,320,491.20 = 42,286,465.60 : x
  2. Step 2: Convert to fraction form
    42,286,465.60/59,320,491.20 = 42,286,465.60/x
  3. Step 3: Cross multiply
    42,286,465.60x = 59,320,491.20 × 42,286,465.60
  4. Step 4: Simplify right side
    42,286,465.60x = 2,508,453,910,503,903
  5. Step 5: Solve for x
    x = 2,508,453,910,503,903/42,286,465.60
  6. Step 6: Final answer
    x = 59,320,491.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.