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Finding the Fourth Proportional to 64,904.09, 97,440.17 and 62,238.65

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Solution

The fourth proportional to 64,904.09, 97,440.17 and 62,238.65 is: 93,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,904.09 : 97,440.17 = 62,238.65 : x
  2. Step 2: Convert to fraction form
    64,904.09/97,440.17 = 62,238.65/x
  3. Step 3: Cross multiply
    64,904.09x = 97,440.17 × 62,238.65
  4. Step 4: Simplify right side
    64,904.09x = 6,064,543,838.18
  5. Step 5: Solve for x
    x = 6,064,543,838.18/64,904.09
  6. Step 6: Final answer
    x = 93,438.55

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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.