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Finding the Fourth Proportional to 97,166.75, 145,420.90 and 59,750.51

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Solution

The fourth proportional to 97,166.75, 145,420.90 and 59,750.51 is: 89,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,166.75 : 145,420.90 = 59,750.51 : x
  2. Step 2: Convert to fraction form
    97,166.75/145,420.90 = 59,750.51/x
  3. Step 3: Cross multiply
    97,166.75x = 145,420.90 × 59,750.51
  4. Step 4: Simplify right side
    97,166.75x = 8,688,972,063.18
  5. Step 5: Solve for x
    x = 8,688,972,063.18/97,166.75
  6. Step 6: Final answer
    x = 89,423.31

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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.