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Finding the Fourth Proportional to 245,724.20, 368,780.70 and 96,036.20

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Solution

The fourth proportional to 245,724.20, 368,780.70 and 96,036.20 is: 144,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,724.20 : 368,780.70 = 96,036.20 : x
  2. Step 2: Convert to fraction form
    245,724.20/368,780.70 = 96,036.20/x
  3. Step 3: Cross multiply
    245,724.20x = 368,780.70 × 96,036.20
  4. Step 4: Simplify right side
    245,724.20x = 35,416,297,061.34
  5. Step 5: Solve for x
    x = 35,416,297,061.34/245,724.20
  6. Step 6: Final answer
    x = 144,130.28

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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.