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Finding the Fourth Proportional to 272,025.40, 408,038.10 and 94,473.40

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Solution

The fourth proportional to 272,025.40, 408,038.10 and 94,473.40 is: 141,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,025.40 : 408,038.10 = 94,473.40 : x
  2. Step 2: Convert to fraction form
    272,025.40/408,038.10 = 94,473.40/x
  3. Step 3: Cross multiply
    272,025.40x = 408,038.10 × 94,473.40
  4. Step 4: Simplify right side
    272,025.40x = 38,548,746,636.54
  5. Step 5: Solve for x
    x = 38,548,746,636.54/272,025.40
  6. Step 6: Final answer
    x = 141,710.10

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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.