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Finding the Fourth Proportional to 146,032.88, 201,525.38 and 78,964.88

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Solution

The fourth proportional to 146,032.88, 201,525.38 and 78,964.88 is: 108,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,032.88 : 201,525.38 = 78,964.88 : x
  2. Step 2: Convert to fraction form
    146,032.88/201,525.38 = 78,964.88/x
  3. Step 3: Cross multiply
    146,032.88x = 201,525.38 × 78,964.88
  4. Step 4: Simplify right side
    146,032.88x = 15,913,426,342.32
  5. Step 5: Solve for x
    x = 15,913,426,342.32/146,032.88
  6. Step 6: Final answer
    x = 108,971.53

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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.