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Finding the Fourth Proportional to 236,365.72, 354,484.16 and 78,573.66

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Solution

The fourth proportional to 236,365.72, 354,484.16 and 78,573.66 is: 117,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,365.72 : 354,484.16 = 78,573.66 : x
  2. Step 2: Convert to fraction form
    236,365.72/354,484.16 = 78,573.66/x
  3. Step 3: Cross multiply
    236,365.72x = 354,484.16 × 78,573.66
  4. Step 4: Simplify right side
    236,365.72x = 27,853,117,863.23
  5. Step 5: Solve for x
    x = 27,853,117,863.23/236,365.72
  6. Step 6: Final answer
    x = 117,839.08

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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.