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Finding the Fourth Proportional to 93,116.61, 128,503.82 and 52,832.07

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Solution

The fourth proportional to 93,116.61, 128,503.82 and 52,832.07 is: 72,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,116.61 : 128,503.82 = 52,832.07 : x
  2. Step 2: Convert to fraction form
    93,116.61/128,503.82 = 52,832.07/x
  3. Step 3: Cross multiply
    93,116.61x = 128,503.82 × 52,832.07
  4. Step 4: Simplify right side
    93,116.61x = 6,789,122,813.51
  5. Step 5: Solve for x
    x = 6,789,122,813.51/93,116.61
  6. Step 6: Final answer
    x = 72,909.90

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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.