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Finding the Fourth Proportional to 245,308.24, 368,117.88 and 133,064.92

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Solution

The fourth proportional to 245,308.24, 368,117.88 and 133,064.92 is: 199,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,308.24 : 368,117.88 = 133,064.92 : x
  2. Step 2: Convert to fraction form
    245,308.24/368,117.88 = 133,064.92/x
  3. Step 3: Cross multiply
    245,308.24x = 368,117.88 × 133,064.92
  4. Step 4: Simplify right side
    245,308.24x = 48,983,576,252.77
  5. Step 5: Solve for x
    x = 48,983,576,252.77/245,308.24
  6. Step 6: Final answer
    x = 199,681.74

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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.