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Finding the Fourth Proportional to 92,553.60, 129,968.70 and 92,553.60

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Solution

The fourth proportional to 92,553.60, 129,968.70 and 92,553.60 is: 129,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,553.60 : 129,968.70 = 92,553.60 : x
  2. Step 2: Convert to fraction form
    92,553.60/129,968.70 = 92,553.60/x
  3. Step 3: Cross multiply
    92,553.60x = 129,968.70 × 92,553.60
  4. Step 4: Simplify right side
    92,553.60x = 12,029,071,072.32
  5. Step 5: Solve for x
    x = 12,029,071,072.32/92,553.60
  6. Step 6: Final answer
    x = 129,968.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.