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Finding the Fourth Proportional to 48,271.10, 72,406.65 and 48,271.10

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Solution

The fourth proportional to 48,271.10, 72,406.65 and 48,271.10 is: 72,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271.10 : 72,406.65 = 48,271.10 : x
  2. Step 2: Convert to fraction form
    48,271.10/72,406.65 = 48,271.10/x
  3. Step 3: Cross multiply
    48,271.10x = 72,406.65 × 48,271.10
  4. Step 4: Simplify right side
    48,271.10x = 3,495,148,642.82
  5. Step 5: Solve for x
    x = 3,495,148,642.82/48,271.10
  6. Step 6: Final answer
    x = 72,406.65

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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.