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Finding the Fourth Proportional to 176,689.75, 243,838.22 and 101,252.83

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Solution

The fourth proportional to 176,689.75, 243,838.22 and 101,252.83 is: 139,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,689.75 : 243,838.22 = 101,252.83 : x
  2. Step 2: Convert to fraction form
    176,689.75/243,838.22 = 101,252.83/x
  3. Step 3: Cross multiply
    176,689.75x = 243,838.22 × 101,252.83
  4. Step 4: Simplify right side
    176,689.75x = 24,689,308,491.41
  5. Step 5: Solve for x
    x = 24,689,308,491.41/176,689.75
  6. Step 6: Final answer
    x = 139,732.55

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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.