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Finding the Fourth Proportional to 342,969.40, 514,454.10 and 93,651.40

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Solution

The fourth proportional to 342,969.40, 514,454.10 and 93,651.40 is: 140,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,969.40 : 514,454.10 = 93,651.40 : x
  2. Step 2: Convert to fraction form
    342,969.40/514,454.10 = 93,651.40/x
  3. Step 3: Cross multiply
    342,969.40x = 514,454.10 × 93,651.40
  4. Step 4: Simplify right side
    342,969.40x = 48,179,346,700.74
  5. Step 5: Solve for x
    x = 48,179,346,700.74/342,969.40
  6. Step 6: Final answer
    x = 140,477.10

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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.