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Finding the Fourth Proportional to 154,892.21, 232,334.90 and 63,688.40

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Solution

The fourth proportional to 154,892.21, 232,334.90 and 63,688.40 is: 95,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,892.21 : 232,334.90 = 63,688.40 : x
  2. Step 2: Convert to fraction form
    154,892.21/232,334.90 = 63,688.40/x
  3. Step 3: Cross multiply
    154,892.21x = 232,334.90 × 63,688.40
  4. Step 4: Simplify right side
    154,892.21x = 14,797,037,042.71
  5. Step 5: Solve for x
    x = 14,797,037,042.71/154,892.21
  6. Step 6: Final answer
    x = 95,531.19

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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.