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Finding the Fourth Proportional to 157,476.51, 217,351.44 and 92,921.76

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Solution

The fourth proportional to 157,476.51, 217,351.44 and 92,921.76 is: 128,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,476.51 : 217,351.44 = 92,921.76 : x
  2. Step 2: Convert to fraction form
    157,476.51/217,351.44 = 92,921.76/x
  3. Step 3: Cross multiply
    157,476.51x = 217,351.44 × 92,921.76
  4. Step 4: Simplify right side
    157,476.51x = 20,196,678,343.33
  5. Step 5: Solve for x
    x = 20,196,678,343.33/157,476.51
  6. Step 6: Final answer
    x = 128,252.01

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1.5x scale

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.