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Finding the Fourth Proportional to 68,461.12, 102,925.92 and 63,330.88

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Solution

The fourth proportional to 68,461.12, 102,925.92 and 63,330.88 is: 95,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,461.12 : 102,925.92 = 63,330.88 : x
  2. Step 2: Convert to fraction form
    68,461.12/102,925.92 = 63,330.88/x
  3. Step 3: Cross multiply
    68,461.12x = 102,925.92 × 63,330.88
  4. Step 4: Simplify right side
    68,461.12x = 6,518,389,088.41
  5. Step 5: Solve for x
    x = 6,518,389,088.41/68,461.12
  6. Step 6: Final answer
    x = 95,213.01

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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.