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Finding the Fourth Proportional to 220,053.48, 303,678.63 and 134,016.51

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Solution

The fourth proportional to 220,053.48, 303,678.63 and 134,016.51 is: 184,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,053.48 : 303,678.63 = 134,016.51 : x
  2. Step 2: Convert to fraction form
    220,053.48/303,678.63 = 134,016.51/x
  3. Step 3: Cross multiply
    220,053.48x = 303,678.63 × 134,016.51
  4. Step 4: Simplify right side
    220,053.48x = 40,697,950,154.18
  5. Step 5: Solve for x
    x = 40,697,950,154.18/220,053.48
  6. Step 6: Final answer
    x = 184,945.72

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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.