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Finding the Fourth Proportional to 245,412.84, 368,119.08 and 79,200.84

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Solution

The fourth proportional to 245,412.84, 368,119.08 and 79,200.84 is: 118,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,412.84 : 368,119.08 = 79,200.84 : x
  2. Step 2: Convert to fraction form
    245,412.84/368,119.08 = 79,200.84/x
  3. Step 3: Cross multiply
    245,412.84x = 368,119.08 × 79,200.84
  4. Step 4: Simplify right side
    245,412.84x = 29,155,340,356.03
  5. Step 5: Solve for x
    x = 29,155,340,356.03/245,412.84
  6. Step 6: Final answer
    x = 118,801.20

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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.