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Finding the Fourth Proportional to 144,161.40, 216,047.70 and 96,641.40

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Solution

The fourth proportional to 144,161.40, 216,047.70 and 96,641.40 is: 144,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,161.40 : 216,047.70 = 96,641.40 : x
  2. Step 2: Convert to fraction form
    144,161.40/216,047.70 = 96,641.40/x
  3. Step 3: Cross multiply
    144,161.40x = 216,047.70 × 96,641.40
  4. Step 4: Simplify right side
    144,161.40x = 20,879,152,194.78
  5. Step 5: Solve for x
    x = 20,879,152,194.78/144,161.40
  6. Step 6: Final answer
    x = 144,831.78

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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.