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Finding the Fourth Proportional to 114,393.92, 157,810.21 and 71,975.84

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Solution

The fourth proportional to 114,393.92, 157,810.21 and 71,975.84 is: 99,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,393.92 : 157,810.21 = 71,975.84 : x
  2. Step 2: Convert to fraction form
    114,393.92/157,810.21 = 71,975.84/x
  3. Step 3: Cross multiply
    114,393.92x = 157,810.21 × 71,975.84
  4. Step 4: Simplify right side
    114,393.92x = 11,358,521,456.34
  5. Step 5: Solve for x
    x = 11,358,521,456.34/114,393.92
  6. Step 6: Final answer
    x = 99,293.06

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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.