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Finding the Fourth Proportional to 219,957.88, 330,155.52 and 101,655.76

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Solution

The fourth proportional to 219,957.88, 330,155.52 and 101,655.76 is: 152,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,957.88 : 330,155.52 = 101,655.76 : x
  2. Step 2: Convert to fraction form
    219,957.88/330,155.52 = 101,655.76/x
  3. Step 3: Cross multiply
    219,957.88x = 330,155.52 × 101,655.76
  4. Step 4: Simplify right side
    219,957.88x = 33,562,210,303.80
  5. Step 5: Solve for x
    x = 33,562,210,303.80/219,957.88
  6. Step 6: Final answer
    x = 152,584.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.