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Finding the Fourth Proportional to 103,580.79, 155,377.74 and 32,506.23

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Solution

The fourth proportional to 103,580.79, 155,377.74 and 32,506.23 is: 48,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,580.79 : 155,377.74 = 32,506.23 : x
  2. Step 2: Convert to fraction form
    103,580.79/155,377.74 = 32,506.23/x
  3. Step 3: Cross multiply
    103,580.79x = 155,377.74 × 32,506.23
  4. Step 4: Simplify right side
    103,580.79x = 5,050,744,553.32
  5. Step 5: Solve for x
    x = 5,050,744,553.32/103,580.79
  6. Step 6: Final answer
    x = 48,761.40

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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.