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Finding the Fourth Proportional to 525,095.06, 787,651.70 and 165,257.01

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Solution

The fourth proportional to 525,095.06, 787,651.70 and 165,257.01 is: 247,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,095.06 : 787,651.70 = 165,257.01 : x
  2. Step 2: Convert to fraction form
    525,095.06/787,651.70 = 165,257.01/x
  3. Step 3: Cross multiply
    525,095.06x = 787,651.70 × 165,257.01
  4. Step 4: Simplify right side
    525,095.06x = 130,164,964,037.13
  5. Step 5: Solve for x
    x = 130,164,964,037.13/525,095.06
  6. Step 6: Final answer
    x = 247,888.38

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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.