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Finding the Fourth Proportional to 235,780.16, 353,670.40 and 88,036.16

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Solution

The fourth proportional to 235,780.16, 353,670.40 and 88,036.16 is: 132,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,780.16 : 353,670.40 = 88,036.16 : x
  2. Step 2: Convert to fraction form
    235,780.16/353,670.40 = 88,036.16/x
  3. Step 3: Cross multiply
    235,780.16x = 353,670.40 × 88,036.16
  4. Step 4: Simplify right side
    235,780.16x = 31,135,783,921.66
  5. Step 5: Solve for x
    x = 31,135,783,921.66/235,780.16
  6. Step 6: Final answer
    x = 132,054.30

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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.