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Finding the Fourth Proportional to 184,997.61, 255,123.45 and 122,798.10

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Solution

The fourth proportional to 184,997.61, 255,123.45 and 122,798.10 is: 169,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,997.61 : 255,123.45 = 122,798.10 : x
  2. Step 2: Convert to fraction form
    184,997.61/255,123.45 = 122,798.10/x
  3. Step 3: Cross multiply
    184,997.61x = 255,123.45 × 122,798.10
  4. Step 4: Simplify right side
    184,997.61x = 31,328,674,925.45
  5. Step 5: Solve for x
    x = 31,328,674,925.45/184,997.61
  6. Step 6: Final answer
    x = 169,346.38

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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.