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Finding the Fourth Proportional to 245,726.91, 368,607.03 and 83,554.92

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Solution

The fourth proportional to 245,726.91, 368,607.03 and 83,554.92 is: 125,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,726.91 : 368,607.03 = 83,554.92 : x
  2. Step 2: Convert to fraction form
    245,726.91/368,607.03 = 83,554.92/x
  3. Step 3: Cross multiply
    245,726.91x = 368,607.03 × 83,554.92
  4. Step 4: Simplify right side
    245,726.91x = 30,798,930,903.09
  5. Step 5: Solve for x
    x = 30,798,930,903.09/245,726.91
  6. Step 6: Final answer
    x = 125,338.05

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1.5x scale

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.