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Finding the Fourth Proportional to 184,543.36, 254,670.72 and 103,972.16

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Solution

The fourth proportional to 184,543.36, 254,670.72 and 103,972.16 is: 143,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,543.36 : 254,670.72 = 103,972.16 : x
  2. Step 2: Convert to fraction form
    184,543.36/254,670.72 = 103,972.16/x
  3. Step 3: Cross multiply
    184,543.36x = 254,670.72 × 103,972.16
  4. Step 4: Simplify right side
    184,543.36x = 26,478,664,847.16
  5. Step 5: Solve for x
    x = 26,478,664,847.16/184,543.36
  6. Step 6: Final answer
    x = 143,482.08

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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.