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Finding the Fourth Proportional to 103,612.97, 155,157.02 and 64,050.14

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Solution

The fourth proportional to 103,612.97, 155,157.02 and 64,050.14 is: 95,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612.97 : 155,157.02 = 64,050.14 : x
  2. Step 2: Convert to fraction form
    103,612.97/155,157.02 = 64,050.14/x
  3. Step 3: Cross multiply
    103,612.97x = 155,157.02 × 64,050.14
  4. Step 4: Simplify right side
    103,612.97x = 9,937,829,160.81
  5. Step 5: Solve for x
    x = 9,937,829,160.81/103,612.97
  6. Step 6: Final answer
    x = 95,912.98

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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.