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Finding the Fourth Proportional to 114,903.40, 172,452.30 and 51,820.60

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Solution

The fourth proportional to 114,903.40, 172,452.30 and 51,820.60 is: 77,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,903.40 : 172,452.30 = 51,820.60 : x
  2. Step 2: Convert to fraction form
    114,903.40/172,452.30 = 51,820.60/x
  3. Step 3: Cross multiply
    114,903.40x = 172,452.30 × 51,820.60
  4. Step 4: Simplify right side
    114,903.40x = 8,936,581,657.38
  5. Step 5: Solve for x
    x = 8,936,581,657.38/114,903.40
  6. Step 6: Final answer
    x = 77,774.74

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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.