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Finding the Fourth Proportional to 240,671.90, 332,129.81 and 133,243.58

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Solution

The fourth proportional to 240,671.90, 332,129.81 and 133,243.58 is: 183,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,671.90 : 332,129.81 = 133,243.58 : x
  2. Step 2: Convert to fraction form
    240,671.90/332,129.81 = 133,243.58/x
  3. Step 3: Cross multiply
    240,671.90x = 332,129.81 × 133,243.58
  4. Step 4: Simplify right side
    240,671.90x = 44,254,164,909.12
  5. Step 5: Solve for x
    x = 44,254,164,909.12/240,671.90
  6. Step 6: Final answer
    x = 183,877.57

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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.