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Finding the Fourth Proportional to 157,392.32, 236,088.16 and 49,330

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Solution

The fourth proportional to 157,392.32, 236,088.16 and 49,330 is: 73,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,392.32 : 236,088.16 = 49,330 : x
  2. Step 2: Convert to fraction form
    157,392.32/236,088.16 = 49,330/x
  3. Step 3: Cross multiply
    157,392.32x = 236,088.16 × 49,330
  4. Step 4: Simplify right side
    157,392.32x = 11,646,228,932.80
  5. Step 5: Solve for x
    x = 11,646,228,932.80/157,392.32
  6. Step 6: Final answer
    x = 73,994.90

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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.