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Finding the Fourth Proportional to 68,497.60, 102,746.40 and 24,174.40

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Solution

The fourth proportional to 68,497.60, 102,746.40 and 24,174.40 is: 36,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,497.60 : 102,746.40 = 24,174.40 : x
  2. Step 2: Convert to fraction form
    68,497.60/102,746.40 = 24,174.40/x
  3. Step 3: Cross multiply
    68,497.60x = 102,746.40 × 24,174.40
  4. Step 4: Simplify right side
    68,497.60x = 2,483,832,572.16
  5. Step 5: Solve for x
    x = 2,483,832,572.16/68,497.60
  6. Step 6: Final answer
    x = 36,261.60

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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.