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Finding the Fourth Proportional to 368,098.66, 552,154.89 and 115,373.56

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Solution

The fourth proportional to 368,098.66, 552,154.89 and 115,373.56 is: 173,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,098.66 : 552,154.89 = 115,373.56 : x
  2. Step 2: Convert to fraction form
    368,098.66/552,154.89 = 115,373.56/x
  3. Step 3: Cross multiply
    368,098.66x = 552,154.89 × 115,373.56
  4. Step 4: Simplify right side
    368,098.66x = 63,704,075,330.71
  5. Step 5: Solve for x
    x = 63,704,075,330.71/368,098.66
  6. Step 6: Final answer
    x = 173,062.50

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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.