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Finding the Fourth Proportional to 124,607.66, 171,953.28 and 73,636.92

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Solution

The fourth proportional to 124,607.66, 171,953.28 and 73,636.92 is: 101,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,607.66 : 171,953.28 = 73,636.92 : x
  2. Step 2: Convert to fraction form
    124,607.66/171,953.28 = 73,636.92/x
  3. Step 3: Cross multiply
    124,607.66x = 171,953.28 × 73,636.92
  4. Step 4: Simplify right side
    124,607.66x = 12,662,109,923.10
  5. Step 5: Solve for x
    x = 12,662,109,923.10/124,607.66
  6. Step 6: Final answer
    x = 101,615.83

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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.