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Finding the Fourth Proportional to 115,045.94, 172,595.05 and 35,091.06

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Solution

The fourth proportional to 115,045.94, 172,595.05 and 35,091.06 is: 52,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,045.94 : 172,595.05 = 35,091.06 : x
  2. Step 2: Convert to fraction form
    115,045.94/172,595.05 = 35,091.06/x
  3. Step 3: Cross multiply
    115,045.94x = 172,595.05 × 35,091.06
  4. Step 4: Simplify right side
    115,045.94x = 6,056,542,515.63
  5. Step 5: Solve for x
    x = 6,056,542,515.63/115,045.94
  6. Step 6: Final answer
    x = 52,644.56

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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.