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Finding the Fourth Proportional to 72,454.60, 98,124.75 and 72,454.60

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Solution

The fourth proportional to 72,454.60, 98,124.75 and 72,454.60 is: 98,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,454.60 : 98,124.75 = 72,454.60 : x
  2. Step 2: Convert to fraction form
    72,454.60/98,124.75 = 72,454.60/x
  3. Step 3: Cross multiply
    72,454.60x = 98,124.75 × 72,454.60
  4. Step 4: Simplify right side
    72,454.60x = 7,109,589,511.35
  5. Step 5: Solve for x
    x = 7,109,589,511.35/72,454.60
  6. Step 6: Final answer
    x = 98,124.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.