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Finding the Fourth Proportional to 260,964, 360,130.32 and 141,732

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Solution

The fourth proportional to 260,964, 360,130.32 and 141,732 is: 195,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,964 : 360,130.32 = 141,732 : x
  2. Step 2: Convert to fraction form
    260,964/360,130.32 = 141,732/x
  3. Step 3: Cross multiply
    260,964x = 360,130.32 × 141,732
  4. Step 4: Simplify right side
    260,964x = 51,041,990,514.24
  5. Step 5: Solve for x
    x = 51,041,990,514.24/260,964
  6. Step 6: Final answer
    x = 195,590.16

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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.