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Finding the Fourth Proportional to 242,476.66, 334,605.09 and 135,044.74

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Solution

The fourth proportional to 242,476.66, 334,605.09 and 135,044.74 is: 186,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,476.66 : 334,605.09 = 135,044.74 : x
  2. Step 2: Convert to fraction form
    242,476.66/334,605.09 = 135,044.74/x
  3. Step 3: Cross multiply
    242,476.66x = 334,605.09 × 135,044.74
  4. Step 4: Simplify right side
    242,476.66x = 45,186,657,381.73
  5. Step 5: Solve for x
    x = 45,186,657,381.73/242,476.66
  6. Step 6: Final answer
    x = 186,354.67

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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.