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Finding the Fourth Proportional to 260,521.72, 359,587.56 and 147,410.08

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Solution

The fourth proportional to 260,521.72, 359,587.56 and 147,410.08 is: 203,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,521.72 : 359,587.56 = 147,410.08 : x
  2. Step 2: Convert to fraction form
    260,521.72/359,587.56 = 147,410.08/x
  3. Step 3: Cross multiply
    260,521.72x = 359,587.56 × 147,410.08
  4. Step 4: Simplify right side
    260,521.72x = 53,006,830,986.60
  5. Step 5: Solve for x
    x = 53,006,830,986.60/260,521.72
  6. Step 6: Final answer
    x = 203,464.15

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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.