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Finding the Fourth Proportional to 157,332.96, 217,095.12 and 90,252

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Solution

The fourth proportional to 157,332.96, 217,095.12 and 90,252 is: 124,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,332.96 : 217,095.12 = 90,252 : x
  2. Step 2: Convert to fraction form
    157,332.96/217,095.12 = 90,252/x
  3. Step 3: Cross multiply
    157,332.96x = 217,095.12 × 90,252
  4. Step 4: Simplify right side
    157,332.96x = 19,593,268,770.24
  5. Step 5: Solve for x
    x = 19,593,268,770.24/157,332.96
  6. Step 6: Final answer
    x = 124,533.78

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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.