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Finding the Fourth Proportional to 156,664.84, 216,253.64 and 93,002.68

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Solution

The fourth proportional to 156,664.84, 216,253.64 and 93,002.68 is: 128,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,664.84 : 216,253.64 = 93,002.68 : x
  2. Step 2: Convert to fraction form
    156,664.84/216,253.64 = 93,002.68/x
  3. Step 3: Cross multiply
    156,664.84x = 216,253.64 × 93,002.68
  4. Step 4: Simplify right side
    156,664.84x = 20,112,168,155.38
  5. Step 5: Solve for x
    x = 20,112,168,155.38/156,664.84
  6. Step 6: Final answer
    x = 128,377.04

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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.