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Finding the Fourth Proportional to 85,040.96, 127,610.84 and 47,094.08

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Solution

The fourth proportional to 85,040.96, 127,610.84 and 47,094.08 is: 70,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,040.96 : 127,610.84 = 47,094.08 : x
  2. Step 2: Convert to fraction form
    85,040.96/127,610.84 = 47,094.08/x
  3. Step 3: Cross multiply
    85,040.96x = 127,610.84 × 47,094.08
  4. Step 4: Simplify right side
    85,040.96x = 6,009,714,587.51
  5. Step 5: Solve for x
    x = 6,009,714,587.51/85,040.96
  6. Step 6: Final answer
    x = 70,668.47

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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.