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Finding the Fourth Proportional to 259,968.92, 358,710.18 and 151,078.16

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Solution

The fourth proportional to 259,968.92, 358,710.18 and 151,078.16 is: 208,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,968.92 : 358,710.18 = 151,078.16 : x
  2. Step 2: Convert to fraction form
    259,968.92/358,710.18 = 151,078.16/x
  3. Step 3: Cross multiply
    259,968.92x = 358,710.18 × 151,078.16
  4. Step 4: Simplify right side
    259,968.92x = 54,193,273,967.67
  5. Step 5: Solve for x
    x = 54,193,273,967.67/259,968.92
  6. Step 6: Final answer
    x = 208,460.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.