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Finding the Fourth Proportional to 160,347.79, 240,503.25 and 42,028.45

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Solution

The fourth proportional to 160,347.79, 240,503.25 and 42,028.45 is: 63,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,347.79 : 240,503.25 = 42,028.45 : x
  2. Step 2: Convert to fraction form
    160,347.79/240,503.25 = 42,028.45/x
  3. Step 3: Cross multiply
    160,347.79x = 240,503.25 × 42,028.45
  4. Step 4: Simplify right side
    160,347.79x = 10,107,978,817.46
  5. Step 5: Solve for x
    x = 10,107,978,817.46/160,347.79
  6. Step 6: Final answer
    x = 63,037.84

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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.