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Finding the Fourth Proportional to 123,036.70, 184,555.05 and 122,259.10

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Solution

The fourth proportional to 123,036.70, 184,555.05 and 122,259.10 is: 183,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,036.70 : 184,555.05 = 122,259.10 : x
  2. Step 2: Convert to fraction form
    123,036.70/184,555.05 = 122,259.10/x
  3. Step 3: Cross multiply
    123,036.70x = 184,555.05 × 122,259.10
  4. Step 4: Simplify right side
    123,036.70x = 22,563,534,313.46
  5. Step 5: Solve for x
    x = 22,563,534,313.46/123,036.70
  6. Step 6: Final answer
    x = 183,388.65

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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.