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Finding the Fourth Proportional to 260,109.07, 358,939.48 and 163,363.48

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Solution

The fourth proportional to 260,109.07, 358,939.48 and 163,363.48 is: 225,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,109.07 : 358,939.48 = 163,363.48 : x
  2. Step 2: Convert to fraction form
    260,109.07/358,939.48 = 163,363.48/x
  3. Step 3: Cross multiply
    260,109.07x = 358,939.48 × 163,363.48
  4. Step 4: Simplify right side
    260,109.07x = 58,637,602,562.19
  5. Step 5: Solve for x
    x = 58,637,602,562.19/260,109.07
  6. Step 6: Final answer
    x = 225,434.67

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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.