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Finding the Fourth Proportional to 261,659.18, 360,995.18 and 148,416.32

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Solution

The fourth proportional to 261,659.18, 360,995.18 and 148,416.32 is: 204,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,659.18 : 360,995.18 = 148,416.32 : x
  2. Step 2: Convert to fraction form
    261,659.18/360,995.18 = 148,416.32/x
  3. Step 3: Cross multiply
    261,659.18x = 360,995.18 × 148,416.32
  4. Step 4: Simplify right side
    261,659.18x = 53,577,576,153.34
  5. Step 5: Solve for x
    x = 53,577,576,153.34/261,659.18
  6. Step 6: Final answer
    x = 204,760.93

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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.