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Finding the Fourth Proportional to 171,798.92, 256,303.43 and 162,498.71

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Solution

The fourth proportional to 171,798.92, 256,303.43 and 162,498.71 is: 242,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,798.92 : 256,303.43 = 162,498.71 : x
  2. Step 2: Convert to fraction form
    171,798.92/256,303.43 = 162,498.71/x
  3. Step 3: Cross multiply
    171,798.92x = 256,303.43 × 162,498.71
  4. Step 4: Simplify right side
    171,798.92x = 41,648,975,510.99
  5. Step 5: Solve for x
    x = 41,648,975,510.99/171,798.92
  6. Step 6: Final answer
    x = 242,428.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.