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Finding the Fourth Proportional to 172,278.71, 237,746.16 and 94,755.89

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Solution

The fourth proportional to 172,278.71, 237,746.16 and 94,755.89 is: 130,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,278.71 : 237,746.16 = 94,755.89 : x
  2. Step 2: Convert to fraction form
    172,278.71/237,746.16 = 94,755.89/x
  3. Step 3: Cross multiply
    172,278.71x = 237,746.16 × 94,755.89
  4. Step 4: Simplify right side
    172,278.71x = 22,527,849,579.25
  5. Step 5: Solve for x
    x = 22,527,849,579.25/172,278.71
  6. Step 6: Final answer
    x = 130,763.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.