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Finding the Fourth Proportional to 306,068.20, 459,102.30 and 106,322.20

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Solution

The fourth proportional to 306,068.20, 459,102.30 and 106,322.20 is: 159,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,068.20 : 459,102.30 = 106,322.20 : x
  2. Step 2: Convert to fraction form
    306,068.20/459,102.30 = 106,322.20/x
  3. Step 3: Cross multiply
    306,068.20x = 459,102.30 × 106,322.20
  4. Step 4: Simplify right side
    306,068.20x = 48,812,766,561.06
  5. Step 5: Solve for x
    x = 48,812,766,561.06/306,068.20
  6. Step 6: Final answer
    x = 159,483.30

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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.