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Finding the Fourth Proportional to 113,525.40, 156,701.40 and 73,240.32

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Solution

The fourth proportional to 113,525.40, 156,701.40 and 73,240.32 is: 101,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,525.40 : 156,701.40 = 73,240.32 : x
  2. Step 2: Convert to fraction form
    113,525.40/156,701.40 = 73,240.32/x
  3. Step 3: Cross multiply
    113,525.40x = 156,701.40 × 73,240.32
  4. Step 4: Simplify right side
    113,525.40x = 11,476,860,680.45
  5. Step 5: Solve for x
    x = 11,476,860,680.45/113,525.40
  6. Step 6: Final answer
    x = 101,095.09

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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.