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Finding the Fourth Proportional to 146,030.76, 201,525.08 and 85,644.97

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Solution

The fourth proportional to 146,030.76, 201,525.08 and 85,644.97 is: 118,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,030.76 : 201,525.08 = 85,644.97 : x
  2. Step 2: Convert to fraction form
    146,030.76/201,525.08 = 85,644.97/x
  3. Step 3: Cross multiply
    146,030.76x = 201,525.08 × 85,644.97
  4. Step 4: Simplify right side
    146,030.76x = 17,259,608,498.81
  5. Step 5: Solve for x
    x = 17,259,608,498.81/146,030.76
  6. Step 6: Final answer
    x = 118,191.60

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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.