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Finding the Fourth Proportional to 218,670.17, 327,264.64 and 134,483.74

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Solution

The fourth proportional to 218,670.17, 327,264.64 and 134,483.74 is: 201,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,670.17 : 327,264.64 = 134,483.74 : x
  2. Step 2: Convert to fraction form
    218,670.17/327,264.64 = 134,483.74/x
  3. Step 3: Cross multiply
    218,670.17x = 327,264.64 × 134,483.74
  4. Step 4: Simplify right side
    218,670.17x = 44,011,771,602.58
  5. Step 5: Solve for x
    x = 44,011,771,602.58/218,670.17
  6. Step 6: Final answer
    x = 201,270.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.