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Finding the Fourth Proportional to 99,525.65, 148,918.51 and 59,564.61

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Solution

The fourth proportional to 99,525.65, 148,918.51 and 59,564.61 is: 89,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525.65 : 148,918.51 = 59,564.61 : x
  2. Step 2: Convert to fraction form
    99,525.65/148,918.51 = 59,564.61/x
  3. Step 3: Cross multiply
    99,525.65x = 148,918.51 × 59,564.61
  4. Step 4: Simplify right side
    99,525.65x = 8,870,272,821.02
  5. Step 5: Solve for x
    x = 8,870,272,821.02/99,525.65
  6. Step 6: Final answer
    x = 89,125.49

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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.