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Finding the Fourth Proportional to 233,043.40, 349,305.90 and 127,937.80

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Solution

The fourth proportional to 233,043.40, 349,305.90 and 127,937.80 is: 191,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,043.40 : 349,305.90 = 127,937.80 : x
  2. Step 2: Convert to fraction form
    233,043.40/349,305.90 = 127,937.80/x
  3. Step 3: Cross multiply
    233,043.40x = 349,305.90 × 127,937.80
  4. Step 4: Simplify right side
    233,043.40x = 44,689,428,373.02
  5. Step 5: Solve for x
    x = 44,689,428,373.02/233,043.40
  6. Step 6: Final answer
    x = 191,764.40

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1.5x scale

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.