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Finding the Fourth Proportional to 103,876.08, 155,720.88 and 37,300.80

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Solution

The fourth proportional to 103,876.08, 155,720.88 and 37,300.80 is: 55,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,876.08 : 155,720.88 = 37,300.80 : x
  2. Step 2: Convert to fraction form
    103,876.08/155,720.88 = 37,300.80/x
  3. Step 3: Cross multiply
    103,876.08x = 155,720.88 × 37,300.80
  4. Step 4: Simplify right side
    103,876.08x = 5,808,513,400.70
  5. Step 5: Solve for x
    x = 5,808,513,400.70/103,876.08
  6. Step 6: Final answer
    x = 55,917.72

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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.