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Finding the Fourth Proportional to 133,886.96, 200,831.12 and 45,141.23

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Solution

The fourth proportional to 133,886.96, 200,831.12 and 45,141.23 is: 67,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,886.96 : 200,831.12 = 45,141.23 : x
  2. Step 2: Convert to fraction form
    133,886.96/200,831.12 = 45,141.23/x
  3. Step 3: Cross multiply
    133,886.96x = 200,831.12 × 45,141.23
  4. Step 4: Simplify right side
    133,886.96x = 9,065,762,549.22
  5. Step 5: Solve for x
    x = 9,065,762,549.22/133,886.96
  6. Step 6: Final answer
    x = 67,712.07

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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.