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Finding the Fourth Proportional to 260,130.75, 359,009.64 and 146,960.79

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Solution

The fourth proportional to 260,130.75, 359,009.64 and 146,960.79 is: 202,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,130.75 : 359,009.64 = 146,960.79 : x
  2. Step 2: Convert to fraction form
    260,130.75/359,009.64 = 146,960.79/x
  3. Step 3: Cross multiply
    260,130.75x = 359,009.64 × 146,960.79
  4. Step 4: Simplify right side
    260,130.75x = 52,760,340,312.02
  5. Step 5: Solve for x
    x = 52,760,340,312.02/260,130.75
  6. Step 6: Final answer
    x = 202,822.39

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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.