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Finding the Fourth Proportional to 86,232.96, 129,356.46 and 23,903.46

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Solution

The fourth proportional to 86,232.96, 129,356.46 and 23,903.46 is: 35,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,232.96 : 129,356.46 = 23,903.46 : x
  2. Step 2: Convert to fraction form
    86,232.96/129,356.46 = 23,903.46/x
  3. Step 3: Cross multiply
    86,232.96x = 129,356.46 × 23,903.46
  4. Step 4: Simplify right side
    86,232.96x = 3,092,066,967.35
  5. Step 5: Solve for x
    x = 3,092,066,967.35/86,232.96
  6. Step 6: Final answer
    x = 35,857.14

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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.