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Finding the Fourth Proportional to 159,545.36, 220,174.10 and 87,927.96

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Solution

The fourth proportional to 159,545.36, 220,174.10 and 87,927.96 is: 121,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,545.36 : 220,174.10 = 87,927.96 : x
  2. Step 2: Convert to fraction form
    159,545.36/220,174.10 = 87,927.96/x
  3. Step 3: Cross multiply
    159,545.36x = 220,174.10 × 87,927.96
  4. Step 4: Simplify right side
    159,545.36x = 19,359,459,457.84
  5. Step 5: Solve for x
    x = 19,359,459,457.84/159,545.36
  6. Step 6: Final answer
    x = 121,341.41

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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.