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Finding the Fourth Proportional to 97,753.86, 134,883.90 and 56,926.62

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Solution

The fourth proportional to 97,753.86, 134,883.90 and 56,926.62 is: 78,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,753.86 : 134,883.90 = 56,926.62 : x
  2. Step 2: Convert to fraction form
    97,753.86/134,883.90 = 56,926.62/x
  3. Step 3: Cross multiply
    97,753.86x = 134,883.90 × 56,926.62
  4. Step 4: Simplify right side
    97,753.86x = 7,678,484,519.42
  5. Step 5: Solve for x
    x = 7,678,484,519.42/97,753.86
  6. Step 6: Final answer
    x = 78,549.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.