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Finding the Fourth Proportional to 272,376.63, 408,566.76 and 94,887

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Solution

The fourth proportional to 272,376.63, 408,566.76 and 94,887 is: 142,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,376.63 : 408,566.76 = 94,887 : x
  2. Step 2: Convert to fraction form
    272,376.63/408,566.76 = 94,887/x
  3. Step 3: Cross multiply
    272,376.63x = 408,566.76 × 94,887
  4. Step 4: Simplify right side
    272,376.63x = 38,767,674,156.12
  5. Step 5: Solve for x
    x = 38,767,674,156.12/272,376.63
  6. Step 6: Final answer
    x = 142,331.13

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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.