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Finding the Fourth Proportional to 151,667.80, 227,501.70 and 72,935.80

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Solution

The fourth proportional to 151,667.80, 227,501.70 and 72,935.80 is: 109,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,667.80 : 227,501.70 = 72,935.80 : x
  2. Step 2: Convert to fraction form
    151,667.80/227,501.70 = 72,935.80/x
  3. Step 3: Cross multiply
    151,667.80x = 227,501.70 × 72,935.80
  4. Step 4: Simplify right side
    151,667.80x = 16,593,018,490.86
  5. Step 5: Solve for x
    x = 16,593,018,490.86/151,667.80
  6. Step 6: Final answer
    x = 109,403.70

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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.