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Finding the Fourth Proportional to 187,352.42, 280,831.80 and 116,274.92

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Solution

The fourth proportional to 187,352.42, 280,831.80 and 116,274.92 is: 174,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,352.42 : 280,831.80 = 116,274.92 : x
  2. Step 2: Convert to fraction form
    187,352.42/280,831.80 = 116,274.92/x
  3. Step 3: Cross multiply
    187,352.42x = 280,831.80 × 116,274.92
  4. Step 4: Simplify right side
    187,352.42x = 32,653,695,078.46
  5. Step 5: Solve for x
    x = 32,653,695,078.46/187,352.42
  6. Step 6: Final answer
    x = 174,290.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.