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Finding the Fourth Proportional to 171,303.60, 256,226.40 and 153,661.80

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Solution

The fourth proportional to 171,303.60, 256,226.40 and 153,661.80 is: 229,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,303.60 : 256,226.40 = 153,661.80 : x
  2. Step 2: Convert to fraction form
    171,303.60/256,226.40 = 153,661.80/x
  3. Step 3: Cross multiply
    171,303.60x = 256,226.40 × 153,661.80
  4. Step 4: Simplify right side
    171,303.60x = 39,372,209,831.52
  5. Step 5: Solve for x
    x = 39,372,209,831.52/171,303.60
  6. Step 6: Final answer
    x = 229,838.78

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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.