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Finding the Fourth Proportional to 176,632.92, 243,748.22 and 100,159.00

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Solution

The fourth proportional to 176,632.92, 243,748.22 and 100,159.00 is: 138,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,632.92 : 243,748.22 = 100,159.00 : x
  2. Step 2: Convert to fraction form
    176,632.92/243,748.22 = 100,159.00/x
  3. Step 3: Cross multiply
    176,632.92x = 243,748.22 × 100,159.00
  4. Step 4: Simplify right side
    176,632.92x = 24,413,576,856.81
  5. Step 5: Solve for x
    x = 24,413,576,856.81/176,632.92
  6. Step 6: Final answer
    x = 138,216.46

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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.