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Finding the Fourth Proportional to 93,169.51, 128,573.48 and 52,327.96

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Solution

The fourth proportional to 93,169.51, 128,573.48 and 52,327.96 is: 72,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,169.51 : 128,573.48 = 52,327.96 : x
  2. Step 2: Convert to fraction form
    93,169.51/128,573.48 = 52,327.96/x
  3. Step 3: Cross multiply
    93,169.51x = 128,573.48 × 52,327.96
  4. Step 4: Simplify right side
    93,169.51x = 6,727,987,727.89
  5. Step 5: Solve for x
    x = 6,727,987,727.89/93,169.51
  6. Step 6: Final answer
    x = 72,212.34

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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.