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Finding the Fourth Proportional to 103,347.68, 155,017.44 and 29,475.68

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Solution

The fourth proportional to 103,347.68, 155,017.44 and 29,475.68 is: 44,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,347.68 : 155,017.44 = 29,475.68 : x
  2. Step 2: Convert to fraction form
    103,347.68/155,017.44 = 29,475.68/x
  3. Step 3: Cross multiply
    103,347.68x = 155,017.44 × 29,475.68
  4. Step 4: Simplify right side
    103,347.68x = 4,569,244,455.86
  5. Step 5: Solve for x
    x = 4,569,244,455.86/103,347.68
  6. Step 6: Final answer
    x = 44,212.36

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1.5x scale

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.