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Finding the Fourth Proportional to 88,888.33, 122,667.81 and 53,071.66

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Solution

The fourth proportional to 88,888.33, 122,667.81 and 53,071.66 is: 73,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,888.33 : 122,667.81 = 53,071.66 : x
  2. Step 2: Convert to fraction form
    88,888.33/122,667.81 = 53,071.66/x
  3. Step 3: Cross multiply
    88,888.33x = 122,667.81 × 53,071.66
  4. Step 4: Simplify right side
    88,888.33x = 6,510,184,305.26
  5. Step 5: Solve for x
    x = 6,510,184,305.26/88,888.33
  6. Step 6: Final answer
    x = 73,240.03

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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.