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Finding the Fourth Proportional to 127,297.67, 175,525.85 and 81,295.34

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Solution

The fourth proportional to 127,297.67, 175,525.85 and 81,295.34 is: 112,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,297.67 : 175,525.85 = 81,295.34 : x
  2. Step 2: Convert to fraction form
    127,297.67/175,525.85 = 81,295.34/x
  3. Step 3: Cross multiply
    127,297.67x = 175,525.85 × 81,295.34
  4. Step 4: Simplify right side
    127,297.67x = 14,269,432,980.15
  5. Step 5: Solve for x
    x = 14,269,432,980.15/127,297.67
  6. Step 6: Final answer
    x = 112,095.01

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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.