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Finding the Fourth Proportional to 80,603.16, 120,928.90 and 32,547.02

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Solution

The fourth proportional to 80,603.16, 120,928.90 and 32,547.02 is: 48,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,603.16 : 120,928.90 = 32,547.02 : x
  2. Step 2: Convert to fraction form
    80,603.16/120,928.90 = 32,547.02/x
  3. Step 3: Cross multiply
    80,603.16x = 120,928.90 × 32,547.02
  4. Step 4: Simplify right side
    80,603.16x = 3,935,875,326.88
  5. Step 5: Solve for x
    x = 3,935,875,326.88/80,603.16
  6. Step 6: Final answer
    x = 48,830.29

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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.