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Finding the Fourth Proportional to 124,201, 171,440.58 and 73,898.92

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Solution

The fourth proportional to 124,201, 171,440.58 and 73,898.92 is: 102,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,201 : 171,440.58 = 73,898.92 : x
  2. Step 2: Convert to fraction form
    124,201/171,440.58 = 73,898.92/x
  3. Step 3: Cross multiply
    124,201x = 171,440.58 × 73,898.92
  4. Step 4: Simplify right side
    124,201x = 12,669,273,706.17
  5. Step 5: Solve for x
    x = 12,669,273,706.17/124,201
  6. Step 6: Final answer
    x = 102,006.21

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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.