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Finding the Fourth Proportional to 245,731.08, 368,596.35 and 77,266.14

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Solution

The fourth proportional to 245,731.08, 368,596.35 and 77,266.14 is: 115,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,731.08 : 368,596.35 = 77,266.14 : x
  2. Step 2: Convert to fraction form
    245,731.08/368,596.35 = 77,266.14/x
  3. Step 3: Cross multiply
    245,731.08x = 368,596.35 × 77,266.14
  4. Step 4: Simplify right side
    245,731.08x = 28,480,017,182.59
  5. Step 5: Solve for x
    x = 28,480,017,182.59/245,731.08
  6. Step 6: Final answer
    x = 115,899.13

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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.