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Finding the Fourth Proportional to 245,508.64, 338,827.92 and 150,071.20

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Solution

The fourth proportional to 245,508.64, 338,827.92 and 150,071.20 is: 207,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,508.64 : 338,827.92 = 150,071.20 : x
  2. Step 2: Convert to fraction form
    245,508.64/338,827.92 = 150,071.20/x
  3. Step 3: Cross multiply
    245,508.64x = 338,827.92 × 150,071.20
  4. Step 4: Simplify right side
    245,508.64x = 50,848,312,547.90
  5. Step 5: Solve for x
    x = 50,848,312,547.90/245,508.64
  6. Step 6: Final answer
    x = 207,114.15

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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.