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Finding the Fourth Proportional to 163,718.91, 225,931.74 and 92,098.93

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Solution

The fourth proportional to 163,718.91, 225,931.74 and 92,098.93 is: 127,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,718.91 : 225,931.74 = 92,098.93 : x
  2. Step 2: Convert to fraction form
    163,718.91/225,931.74 = 92,098.93/x
  3. Step 3: Cross multiply
    163,718.91x = 225,931.74 × 92,098.93
  4. Step 4: Simplify right side
    163,718.91x = 20,808,071,507.04
  5. Step 5: Solve for x
    x = 20,808,071,507.04/163,718.91
  6. Step 6: Final answer
    x = 127,096.32

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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.