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Finding the Fourth Proportional to 72,423.90, 94,254.75 and 72,423.90

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Solution

The fourth proportional to 72,423.90, 94,254.75 and 72,423.90 is: 94,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,423.90 : 94,254.75 = 72,423.90 : x
  2. Step 2: Convert to fraction form
    72,423.90/94,254.75 = 72,423.90/x
  3. Step 3: Cross multiply
    72,423.90x = 94,254.75 × 72,423.90
  4. Step 4: Simplify right side
    72,423.90x = 6,826,296,588.53
  5. Step 5: Solve for x
    x = 6,826,296,588.53/72,423.90
  6. Step 6: Final answer
    x = 94,254.75

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.