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Finding the Fourth Proportional to 97,218.08, 145,662.96 and 59,699.96

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Solution

The fourth proportional to 97,218.08, 145,662.96 and 59,699.96 is: 89,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,218.08 : 145,662.96 = 59,699.96 : x
  2. Step 2: Convert to fraction form
    97,218.08/145,662.96 = 59,699.96/x
  3. Step 3: Cross multiply
    97,218.08x = 145,662.96 × 59,699.96
  4. Step 4: Simplify right side
    97,218.08x = 8,696,072,885.48
  5. Step 5: Solve for x
    x = 8,696,072,885.48/97,218.08
  6. Step 6: Final answer
    x = 89,449.13

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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.