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Finding the Fourth Proportional to 321,875.07, 482,624.38 and 97,168.11

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Solution

The fourth proportional to 321,875.07, 482,624.38 and 97,168.11 is: 145,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,875.07 : 482,624.38 = 97,168.11 : x
  2. Step 2: Convert to fraction form
    321,875.07/482,624.38 = 97,168.11/x
  3. Step 3: Cross multiply
    321,875.07x = 482,624.38 × 97,168.11
  4. Step 4: Simplify right side
    321,875.07x = 46,895,696,188.48
  5. Step 5: Solve for x
    x = 46,895,696,188.48/321,875.07
  6. Step 6: Final answer
    x = 145,695.34

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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.