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Finding the Fourth Proportional to 219,336.16, 329,006.16 and 53,124.32

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Solution

The fourth proportional to 219,336.16, 329,006.16 and 53,124.32 is: 79,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,336.16 : 329,006.16 = 53,124.32 : x
  2. Step 2: Convert to fraction form
    219,336.16/329,006.16 = 53,124.32/x
  3. Step 3: Cross multiply
    219,336.16x = 329,006.16 × 53,124.32
  4. Step 4: Simplify right side
    219,336.16x = 17,478,228,525.81
  5. Step 5: Solve for x
    x = 17,478,228,525.81/219,336.16
  6. Step 6: Final answer
    x = 79,686.95

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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.