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Finding the Fourth Proportional to 160,666.33, 240,762.68 and 89,490.98

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Solution

The fourth proportional to 160,666.33, 240,762.68 and 89,490.98 is: 134,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666.33 : 240,762.68 = 89,490.98 : x
  2. Step 2: Convert to fraction form
    160,666.33/240,762.68 = 89,490.98/x
  3. Step 3: Cross multiply
    160,666.33x = 240,762.68 × 89,490.98
  4. Step 4: Simplify right side
    160,666.33x = 21,546,088,180.63
  5. Step 5: Solve for x
    x = 21,546,088,180.63/160,666.33
  6. Step 6: Final answer
    x = 134,104.56

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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.