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Finding the Fourth Proportional to 156,883.80, 216,483.12 and 93,212.94

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Solution

The fourth proportional to 156,883.80, 216,483.12 and 93,212.94 is: 128,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,883.80 : 216,483.12 = 93,212.94 : x
  2. Step 2: Convert to fraction form
    156,883.80/216,483.12 = 93,212.94/x
  3. Step 3: Cross multiply
    156,883.80x = 216,483.12 × 93,212.94
  4. Step 4: Simplify right side
    156,883.80x = 20,179,028,075.57
  5. Step 5: Solve for x
    x = 20,179,028,075.57/156,883.80
  6. Step 6: Final answer
    x = 128,624.04

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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.