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Finding the Fourth Proportional to 233,054.40, 349,322.40 and 127,948.80

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Solution

The fourth proportional to 233,054.40, 349,322.40 and 127,948.80 is: 191,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,054.40 : 349,322.40 = 127,948.80 : x
  2. Step 2: Convert to fraction form
    233,054.40/349,322.40 = 127,948.80/x
  3. Step 3: Cross multiply
    233,054.40x = 349,322.40 × 127,948.80
  4. Step 4: Simplify right side
    233,054.40x = 44,695,381,893.12
  5. Step 5: Solve for x
    x = 44,695,381,893.12/233,054.40
  6. Step 6: Final answer
    x = 191,780.90

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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.