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Finding the Fourth Proportional to 160,428.86, 240,562.28 and 93,888.98

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Solution

The fourth proportional to 160,428.86, 240,562.28 and 93,888.98 is: 140,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,428.86 : 240,562.28 = 93,888.98 : x
  2. Step 2: Convert to fraction form
    160,428.86/240,562.28 = 93,888.98/x
  3. Step 3: Cross multiply
    160,428.86x = 240,562.28 × 93,888.98
  4. Step 4: Simplify right side
    160,428.86x = 22,586,147,095.67
  5. Step 5: Solve for x
    x = 22,586,147,095.67/160,428.86
  6. Step 6: Final answer
    x = 140,786.06

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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.