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Finding the Fourth Proportional to 216,854.08, 325,315.68 and 67,088.32

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Solution

The fourth proportional to 216,854.08, 325,315.68 and 67,088.32 is: 100,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,854.08 : 325,315.68 = 67,088.32 : x
  2. Step 2: Convert to fraction form
    216,854.08/325,315.68 = 67,088.32/x
  3. Step 3: Cross multiply
    216,854.08x = 325,315.68 × 67,088.32
  4. Step 4: Simplify right side
    216,854.08x = 21,824,882,440.86
  5. Step 5: Solve for x
    x = 21,824,882,440.86/216,854.08
  6. Step 6: Final answer
    x = 100,643.17

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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.