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Finding the Fourth Proportional to 93,352.65, 128,821.53 and 53,060.82

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Solution

The fourth proportional to 93,352.65, 128,821.53 and 53,060.82 is: 73,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,352.65 : 128,821.53 = 53,060.82 : x
  2. Step 2: Convert to fraction form
    93,352.65/128,821.53 = 53,060.82/x
  3. Step 3: Cross multiply
    93,352.65x = 128,821.53 × 53,060.82
  4. Step 4: Simplify right side
    93,352.65x = 6,835,376,015.45
  5. Step 5: Solve for x
    x = 6,835,376,015.45/93,352.65
  6. Step 6: Final answer
    x = 73,221.02

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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.