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Finding the Fourth Proportional to 156,624.46, 216,142.08 and 92,975.02

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Solution

The fourth proportional to 156,624.46, 216,142.08 and 92,975.02 is: 128,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,624.46 : 216,142.08 = 92,975.02 : x
  2. Step 2: Convert to fraction form
    156,624.46/216,142.08 = 92,975.02/x
  3. Step 3: Cross multiply
    156,624.46x = 216,142.08 × 92,975.02
  4. Step 4: Simplify right side
    156,624.46x = 20,095,814,210.84
  5. Step 5: Solve for x
    x = 20,095,814,210.84/156,624.46
  6. Step 6: Final answer
    x = 128,305.72

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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.