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Finding the Fourth Proportional to 186,324.60, 279,465.30 and 53,225.40

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Solution

The fourth proportional to 186,324.60, 279,465.30 and 53,225.40 is: 79,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,324.60 : 279,465.30 = 53,225.40 : x
  2. Step 2: Convert to fraction form
    186,324.60/279,465.30 = 53,225.40/x
  3. Step 3: Cross multiply
    186,324.60x = 279,465.30 × 53,225.40
  4. Step 4: Simplify right side
    186,324.60x = 14,874,652,378.62
  5. Step 5: Solve for x
    x = 14,874,652,378.62/186,324.60
  6. Step 6: Final answer
    x = 79,831.93

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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.