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Finding the Fourth Proportional to 245,334.76, 368,002.14 and 79,122.76

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Solution

The fourth proportional to 245,334.76, 368,002.14 and 79,122.76 is: 118,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,334.76 : 368,002.14 = 79,122.76 : x
  2. Step 2: Convert to fraction form
    245,334.76/368,002.14 = 79,122.76/x
  3. Step 3: Cross multiply
    245,334.76x = 368,002.14 × 79,122.76
  4. Step 4: Simplify right side
    245,334.76x = 29,117,345,002.71
  5. Step 5: Solve for x
    x = 29,117,345,002.71/245,334.76
  6. Step 6: Final answer
    x = 118,684.14

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1.5x scale

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.