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Finding the Fourth Proportional to 184,549.86, 254,678.85 and 99,666.95

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Solution

The fourth proportional to 184,549.86, 254,678.85 and 99,666.95 is: 137,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,549.86 : 254,678.85 = 99,666.95 : x
  2. Step 2: Convert to fraction form
    184,549.86/254,678.85 = 99,666.95/x
  3. Step 3: Cross multiply
    184,549.86x = 254,678.85 × 99,666.95
  4. Step 4: Simplify right side
    184,549.86x = 25,383,062,935.61
  5. Step 5: Solve for x
    x = 25,383,062,935.61/184,549.86
  6. Step 6: Final answer
    x = 137,540.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.