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Finding the Fourth Proportional to 260,626.84, 359,703.72 and 165,142.48

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Solution

The fourth proportional to 260,626.84, 359,703.72 and 165,142.48 is: 227,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,626.84 : 359,703.72 = 165,142.48 : x
  2. Step 2: Convert to fraction form
    260,626.84/359,703.72 = 165,142.48/x
  3. Step 3: Cross multiply
    260,626.84x = 359,703.72 × 165,142.48
  4. Step 4: Simplify right side
    260,626.84x = 59,402,364,386.03
  5. Step 5: Solve for x
    x = 59,402,364,386.03/260,626.84
  6. Step 6: Final answer
    x = 227,921.13

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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.