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Finding the Fourth Proportional to 75,114.02, 112,663.71 and 19,710.02

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Solution

The fourth proportional to 75,114.02, 112,663.71 and 19,710.02 is: 29,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,114.02 : 112,663.71 = 19,710.02 : x
  2. Step 2: Convert to fraction form
    75,114.02/112,663.71 = 19,710.02/x
  3. Step 3: Cross multiply
    75,114.02x = 112,663.71 × 19,710.02
  4. Step 4: Simplify right side
    75,114.02x = 2,220,603,977.37
  5. Step 5: Solve for x
    x = 2,220,603,977.37/75,114.02
  6. Step 6: Final answer
    x = 29,563.11

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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.