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Finding the Fourth Proportional to 85,232.57, 127,848.75 and 22,903.07

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Solution

The fourth proportional to 85,232.57, 127,848.75 and 22,903.07 is: 34,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232.57 : 127,848.75 = 22,903.07 : x
  2. Step 2: Convert to fraction form
    85,232.57/127,848.75 = 22,903.07/x
  3. Step 3: Cross multiply
    85,232.57x = 127,848.75 × 22,903.07
  4. Step 4: Simplify right side
    85,232.57x = 2,928,128,870.66
  5. Step 5: Solve for x
    x = 2,928,128,870.66/85,232.57
  6. Step 6: Final answer
    x = 34,354.58

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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.