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Finding the Fourth Proportional to 144,303.92, 199,010.48 and 90,593.94

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Solution

The fourth proportional to 144,303.92, 199,010.48 and 90,593.94 is: 124,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,303.92 : 199,010.48 = 90,593.94 : x
  2. Step 2: Convert to fraction form
    144,303.92/199,010.48 = 90,593.94/x
  3. Step 3: Cross multiply
    144,303.92x = 199,010.48 × 90,593.94
  4. Step 4: Simplify right side
    144,303.92x = 18,029,143,484.49
  5. Step 5: Solve for x
    x = 18,029,143,484.49/144,303.92
  6. Step 6: Final answer
    x = 124,938.70

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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.