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Finding the Fourth Proportional to 218,818.68, 301,927.02 and 133,875.56

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Solution

The fourth proportional to 218,818.68, 301,927.02 and 133,875.56 is: 184,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,818.68 : 301,927.02 = 133,875.56 : x
  2. Step 2: Convert to fraction form
    218,818.68/301,927.02 = 133,875.56/x
  3. Step 3: Cross multiply
    218,818.68x = 301,927.02 × 133,875.56
  4. Step 4: Simplify right side
    218,818.68x = 40,420,648,881.63
  5. Step 5: Solve for x
    x = 40,420,648,881.63/218,818.68
  6. Step 6: Final answer
    x = 184,722.11

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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.