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Finding the Fourth Proportional to 103,404.30, 144,962.85 and 103,404.30

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Solution

The fourth proportional to 103,404.30, 144,962.85 and 103,404.30 is: 144,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,404.30 : 144,962.85 = 103,404.30 : x
  2. Step 2: Convert to fraction form
    103,404.30/144,962.85 = 103,404.30/x
  3. Step 3: Cross multiply
    103,404.30x = 144,962.85 × 103,404.30
  4. Step 4: Simplify right side
    103,404.30x = 14,989,782,030.26
  5. Step 5: Solve for x
    x = 14,989,782,030.26/103,404.30
  6. Step 6: Final answer
    x = 144,962.85

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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.