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Finding the Fourth Proportional to 252,477, 348,425.55 and 139,307.04

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Solution

The fourth proportional to 252,477, 348,425.55 and 139,307.04 is: 192,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,477 : 348,425.55 = 139,307.04 : x
  2. Step 2: Convert to fraction form
    252,477/348,425.55 = 139,307.04/x
  3. Step 3: Cross multiply
    252,477x = 348,425.55 × 139,307.04
  4. Step 4: Simplify right side
    252,477x = 48,538,132,030.87
  5. Step 5: Solve for x
    x = 48,538,132,030.87/252,477
  6. Step 6: Final answer
    x = 192,247.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.