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Finding the Fourth Proportional to 245,792.68, 368,686.59 and 112,635.16

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Solution

The fourth proportional to 245,792.68, 368,686.59 and 112,635.16 is: 168,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,792.68 : 368,686.59 = 112,635.16 : x
  2. Step 2: Convert to fraction form
    245,792.68/368,686.59 = 112,635.16/x
  3. Step 3: Cross multiply
    245,792.68x = 368,686.59 × 112,635.16
  4. Step 4: Simplify right side
    245,792.68x = 41,527,073,054.50
  5. Step 5: Solve for x
    x = 41,527,073,054.50/245,792.68
  6. Step 6: Final answer
    x = 168,951.63

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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.