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Finding the Fourth Proportional to 368,487.60, 552,669.57 and 102,275.16

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Solution

The fourth proportional to 368,487.60, 552,669.57 and 102,275.16 is: 153,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,487.60 : 552,669.57 = 102,275.16 : x
  2. Step 2: Convert to fraction form
    368,487.60/552,669.57 = 102,275.16/x
  3. Step 3: Cross multiply
    368,487.60x = 552,669.57 × 102,275.16
  4. Step 4: Simplify right side
    368,487.60x = 56,524,368,698.88
  5. Step 5: Solve for x
    x = 56,524,368,698.88/368,487.60
  6. Step 6: Final answer
    x = 153,395.58

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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.