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Finding the Fourth Proportional to 174,775.79, 260,887.75 and 149,975.21

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Solution

The fourth proportional to 174,775.79, 260,887.75 and 149,975.21 is: 223,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,775.79 : 260,887.75 = 149,975.21 : x
  2. Step 2: Convert to fraction form
    174,775.79/260,887.75 = 149,975.21/x
  3. Step 3: Cross multiply
    174,775.79x = 260,887.75 × 149,975.21
  4. Step 4: Simplify right side
    174,775.79x = 39,126,694,717.74
  5. Step 5: Solve for x
    x = 39,126,694,717.74/174,775.79
  6. Step 6: Final answer
    x = 223,867.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.