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Finding the Fourth Proportional to 101,545.56, 140,132.76 and 56,833.56

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Solution

The fourth proportional to 101,545.56, 140,132.76 and 56,833.56 is: 78,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,545.56 : 140,132.76 = 56,833.56 : x
  2. Step 2: Convert to fraction form
    101,545.56/140,132.76 = 56,833.56/x
  3. Step 3: Cross multiply
    101,545.56x = 140,132.76 × 56,833.56
  4. Step 4: Simplify right side
    101,545.56x = 7,964,243,623.43
  5. Step 5: Solve for x
    x = 7,964,243,623.43/101,545.56
  6. Step 6: Final answer
    x = 78,430.25

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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.