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Finding the Fourth Proportional to 127,518.98, 175,998.22 and 73,833.60

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Solution

The fourth proportional to 127,518.98, 175,998.22 and 73,833.60 is: 101,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,518.98 : 175,998.22 = 73,833.60 : x
  2. Step 2: Convert to fraction form
    127,518.98/175,998.22 = 73,833.60/x
  3. Step 3: Cross multiply
    127,518.98x = 175,998.22 × 73,833.60
  4. Step 4: Simplify right side
    127,518.98x = 12,994,582,156.61
  5. Step 5: Solve for x
    x = 12,994,582,156.61/127,518.98
  6. Step 6: Final answer
    x = 101,903.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.