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Finding the Fourth Proportional to 260,188.90, 358,929.18 and 174,151.48

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Solution

The fourth proportional to 260,188.90, 358,929.18 and 174,151.48 is: 240,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,188.90 : 358,929.18 = 174,151.48 : x
  2. Step 2: Convert to fraction form
    260,188.90/358,929.18 = 174,151.48/x
  3. Step 3: Cross multiply
    260,188.90x = 358,929.18 × 174,151.48
  4. Step 4: Simplify right side
    260,188.90x = 62,508,047,912.19
  5. Step 5: Solve for x
    x = 62,508,047,912.19/260,188.90
  6. Step 6: Final answer
    x = 240,241.02

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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.