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Finding the Fourth Proportional to 157,392.84, 236,019.78 and 45,047.46

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Solution

The fourth proportional to 157,392.84, 236,019.78 and 45,047.46 is: 67,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,392.84 : 236,019.78 = 45,047.46 : x
  2. Step 2: Convert to fraction form
    157,392.84/236,019.78 = 45,047.46/x
  3. Step 3: Cross multiply
    157,392.84x = 236,019.78 × 45,047.46
  4. Step 4: Simplify right side
    157,392.84x = 10,632,091,598.76
  5. Step 5: Solve for x
    x = 10,632,091,598.76/157,392.84
  6. Step 6: Final answer
    x = 67,551.30

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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.