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Finding the Fourth Proportional to 183,713.81, 253,508.54 and 107,239.55

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Solution

The fourth proportional to 183,713.81, 253,508.54 and 107,239.55 is: 147,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,713.81 : 253,508.54 = 107,239.55 : x
  2. Step 2: Convert to fraction form
    183,713.81/253,508.54 = 107,239.55/x
  3. Step 3: Cross multiply
    183,713.81x = 253,508.54 × 107,239.55
  4. Step 4: Simplify right side
    183,713.81x = 27,186,139,947.02
  5. Step 5: Solve for x
    x = 27,186,139,947.02/183,713.81
  6. Step 6: Final answer
    x = 147,980.93

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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.