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Finding the Fourth Proportional to 162,783.68, 224,549.76 and 94,792.64

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Solution

The fourth proportional to 162,783.68, 224,549.76 and 94,792.64 is: 130,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,783.68 : 224,549.76 = 94,792.64 : x
  2. Step 2: Convert to fraction form
    162,783.68/224,549.76 = 94,792.64/x
  3. Step 3: Cross multiply
    162,783.68x = 224,549.76 × 94,792.64
  4. Step 4: Simplify right side
    162,783.68x = 21,285,664,561.77
  5. Step 5: Solve for x
    x = 21,285,664,561.77/162,783.68
  6. Step 6: Final answer
    x = 130,760.43

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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.