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Finding the Fourth Proportional to 169,667.93, 254,501.63 and 43,308.16

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Solution

The fourth proportional to 169,667.93, 254,501.63 and 43,308.16 is: 64,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,667.93 : 254,501.63 = 43,308.16 : x
  2. Step 2: Convert to fraction form
    169,667.93/254,501.63 = 43,308.16/x
  3. Step 3: Cross multiply
    169,667.93x = 254,501.63 × 43,308.16
  4. Step 4: Simplify right side
    169,667.93x = 11,021,997,312.30
  5. Step 5: Solve for x
    x = 11,021,997,312.30/169,667.93
  6. Step 6: Final answer
    x = 64,962.17

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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.