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Finding the Fourth Proportional to 107,480.44, 148,335 and 65,038.04

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Solution

The fourth proportional to 107,480.44, 148,335 and 65,038.04 is: 89,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,480.44 : 148,335 = 65,038.04 : x
  2. Step 2: Convert to fraction form
    107,480.44/148,335 = 65,038.04/x
  3. Step 3: Cross multiply
    107,480.44x = 148,335 × 65,038.04
  4. Step 4: Simplify right side
    107,480.44x = 9,647,417,663.40
  5. Step 5: Solve for x
    x = 9,647,417,663.40/107,480.44
  6. Step 6: Final answer
    x = 89,759.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.